646. Since 1986 enrollments of African Americans, American Indians, and Hispanic Americans in fulltime engineering programs in the United States has steadily increased, while the number of other students who enter the field has fallen.
(A) has steadily increased, while the number of other students who enter the field has fallen
(B) has steadily increased, while other students entering the field have declined in number
(C) increased steadily, while there was a decline in the number of other students entering the field
(D) have steadily increased, while the number of other students entering the field has fallen
(E) have steadily increased, while that of other students who enter the field fell
Solution:
OG Solution: Agreement + Verb form
The subject enrollment is plural so the verb must also be plural. When since refers to tome, it should generally be followed by the present perfect tense, which describes action that began in the past and continues into the present.
(A) Has increased should be have increased to agree with enrollments
(B) Verb has...increased should be have increased to agree with enrollments; have declined in number is awkward and unclear
(C) Verb increased is simple past tense and should be have increased; was should be has been
(D) Correct. This sentence correctly uses have increased, which agree with the plural enrollments and is the appropriate present perfect tense.
(E) That should be the plural those to correctly refer to the plural enrollment; fell should be have fallen to parallel have increased
Sentence Correction - 1000 Questions with Solution:
(A) has steadily increased, while the number of other students who enter the field has fallen
(B) has steadily increased, while other students entering the field have declined in number
(C) increased steadily, while there was a decline in the number of other students entering the field
(D) have steadily increased, while the number of other students entering the field has fallen
(E) have steadily increased, while that of other students who enter the field fell
Solution:
OG Solution: Agreement + Verb form
The subject enrollment is plural so the verb must also be plural. When since refers to tome, it should generally be followed by the present perfect tense, which describes action that began in the past and continues into the present.
(A) Has increased should be have increased to agree with enrollments
(B) Verb has...increased should be have increased to agree with enrollments; have declined in number is awkward and unclear
(C) Verb increased is simple past tense and should be have increased; was should be has been
(D) Correct. This sentence correctly uses have increased, which agree with the plural enrollments and is the appropriate present perfect tense.
(E) That should be the plural those to correctly refer to the plural enrollment; fell should be have fallen to parallel have increased
Sentence Correction - 1000 Questions with Solution: