Bunuel
Reading only the underlined part of the sentence
in Sentence Correction questions save time, but increases the chances of answering the question incorrectly.
A. in Sentence Correction questions save time, but
B. of Sentence Correction questions may save time, but
C. in Sentence Correction questions save time, and
D. in Sentence Correction questions saves time, but
E. of Sentence Correction questions saves time, and
Official Explanation
(A) This question is
grammatically incorrect. The singular subject Reading does not agree with the plural verb save. Remember that a subject in the form of Verb+ing is a singular subject.
What helps us identify this question as a Subject Verb Agreement question are the following
Stop Signs:
V-ing subject
A long complex subject / a long distance between the subject and the verb(B) This answer choice corrects the original Subject Verb Agreement mistake by adding the verb may, which agrees with both singular and plural subjects. However, the addition of the word may changes the meaning of the sentence.
(C) This answer choice repeats the
original Subject Verb Agreement mistake: the singular subject reading does not agree with the plural verb save. Remember that a subject in the form of Verb+ing is a singular subject.
(D) This answer choice corrects the original Subject Verb Agreement mistake, by changing the plural verb save to the singular verb saves.
(E) While this answer choice corrects the original mistake by changing the plural verb save to the singular saves, it doesn't stop there. It also replaces the original but with and. This creates a change in meaning.
Answer: D