Which of the following statements about a sentence's subject is correct?

AThe subject should always agree with the verb.
BThe subject is unnecessary in interrogative sentences.
CThe subject has to be placed before the verb.
DThe subject of the sentence is always paired with a helping verb

Verified Answer :

The answer to this question is A because of the subject-verb agreement rule.

The correct answer is A. The subject should always agree with the verb. This is because agreeing between the subject and the verb is the only grammatically correct form in the standardized English language.