OA is B
What helps us identify this question as a Subject Verb Agreement question as well as identify the mistake are the following Stop Signs:verb precedes subject and plural subject built of singular nouns connected by and
A. Incorrect.This answer choice is grammatically incorrect. The singular verb is does not agree with the plural subject the time needed...and the distance, etc.What helps us identify this question as a Subject Verb Agreement question as well as identify the mistake are the following Stop Signs:verb precedes subject and plural subject built of singular nouns connected by and
B. This answer choice corrects the Subject Verb Agreement mistake in the original question by changing the singular verb is to the plural verb are.What helps us identify this question as a Subject Verb Agreement question as well as identify the mistake are the following Stop Signs:verb precedes subject and plural subject built of singular nouns connected by and
C. While this answer choice corrects the Subject Verb Agreement mistake in the original question by changing the singular verb is to the plural verb are, it is stylistically flawed.The phrase civil-engineering importance is awkward and changes the meaning of the original sentence. The importance of an issue for the professionals - civil engineers - may be different from the importance of the issue for the profession or discipline of civil-engineering.Also, the phrase in which the structural elements are fabricated is stylistically inferior because it unnecessarily changes the noun phrase time needed for the fabrication, etc. into a passive sentence.What helps us identify this question as a Subject Verb Agreement question as well as identify the mistake are the following Stop Signs:verb precedes subject and plural subject built of singular nouns connected by and
D. ncorrect.While this answer choice corrects the Subject Verb Agreement mistake in the original sentence, by changing the singular verb is to the plural verb are, it introduces a Parallelism mistake which makes it grammatically incorrect. The construction A and B requires that A and B belong to the same part of speech. In this answer choice, B is a noun (distance) whereas A is a complete sentence (how long it takes).What helps us identify this question as a Subject Verb Agreement question as well as identify the mistake are the following Stop Signs:verb precedes subject and plural subject built of singular nouns connected by and
E. This answer choice repeats the Subject Verb Agreement mistake in the original sentence. The singular verb is does not agree with the plural subject the amount of time needed...and the distance, etc.What helps us identify this question as a Subject Verb Agreement question as well as identify the mistake are the following Stop Signs:verb precedes subject and plural subject built of singular nouns connected by and. In addition, the phrase amount of time needed in the corrected sentence is redundant. It is not necessary to use the words amount of -- the phrase time needed expresses the same meaning.