(A) A large and increasingly influential sector of publishing, 20 percent of all the National and American Book awards since 1950 have gone to university-press books.
(B) A large and increasingly influential sector of publishing, university-press books have won 20 percent of all the National and American Book awards since 1950.
(C) Increasingly influential as a large sector of publishing, 20 percent of all the National and American Book awards since 1950 have gone to university-press books.
(D) Since 1950, a large and increasingly influential sector of publishing, 20 percent of all the National and American Book awards have gone to university-press books.
(E) Since 1950, university-press books, a large and increasingly influential sector of publishing, won 20 percent of all the National and American Book awards from then on.
Solution:
Modifier + Redundancy
A, C, and D: "A large and increasingly influential sector of publishing" must be modifying university press books. Hence, these 3 choices are incorrect.
E: from then on is redundant as Since 1950 has been used in the beginning of the sentence.
B: A large and increasingly correctly modifies university-press books. Concise. Best choice.
Sentence Correction - 1000 Questions with Solution: