Select the correct active form of the given sentence.
A complaint has been made by him against the poor service of the hotel staff.

Options

A. He had made a complaint against the poor service of the hotel staff.
B. He has made a complaint against the poor service of the hotel staff.
C. He will make a complaint against the poor service of the hotel staff
D. He is making a complaint against the poor service of the hotel staff.

Explanation

(b) He has made a complaint against the poor service of the hotel staff. (Correct)(a) He had made a complaint against the poor service of the hotel staff. (Tense has changed) (c) He will make a complaint against the poor service of the hotel staff. (Tense has changed) (d) He is making a complaint against the poor service of the hotel staff. (Tense has changed)