551. Once positioned in space, the Hubble Space Telescope will capture light from sources twenty times fainter compared to those that can be detected by ground-based instruments.
(A) compared to those that can be detected
(B) compared to those they can detect
(C) than that can be detected
(D) than those that can be detected
(E) than those detecting
Solution:
Comparison + Pronouns
A and B: Compared to is used to compare dissimilar objects. But here sources of light are being compared.
C: sources are plural but the pronoun used for these is that(singular).
E: detecting by is incorrect.
D: sources twenty times fainter than those (sources) that can be detected is the best choice.
Sentence Correction - 1000 Questions with Solution:
(A) compared to those that can be detected
(B) compared to those they can detect
(C) than that can be detected
(D) than those that can be detected
(E) than those detecting
Solution:
Comparison + Pronouns
A and B: Compared to is used to compare dissimilar objects. But here sources of light are being compared.
C: sources are plural but the pronoun used for these is that(singular).
E: detecting by is incorrect.
D: sources twenty times fainter than those (sources) that can be detected is the best choice.
Sentence Correction - 1000 Questions with Solution: