English Voice Voice chnage of Interrogative Sentence, Optative and Exclamatory Question #1046 (CAT-I)

Change the voice of the following sentence: 'Whom did you see at the party?'

A Who was seen by you at the party?
B Whom were you seen by at the party?
C Who were you seen by at the party?
D By whom you were seen at the party?
Correct Answer & Explanation
Option A
Option A is the correct answer according to official curriculum guidelines.