Question

In the following sentence, what is the subject complement?. My neighbor is a newspaper reporter. A) My. B) Reporter. C) Neighbor. D) Newspaper. .

Answer 1

I guess it is B) Reporter

Answer 2

A subject complement is what completes the subject - it is usually found after a copulative/linking verbs such as to be. 
In this sentence, the subject complement should be newspaper reporter, but since that is not an option, then the correct answer is B) reporter.