English Voice Voice chnage of Interrogative Sentence, Optative and Exclamatory Question #1042 (CAT-I)

Change the voice of the following sentence: 'Did he write a letter?'

A Was a letter written by him?
B Is a letter written by him?
C Had a letter written by him?
D Has a letter written by him?
Correct Answer & Explanation
Option A
Option A is the correct answer according to official curriculum guidelines.