In the following questions, a sentence has been given in Active Voice/Passive Voice, Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/ Active Voice.
The agent had disclosed the secret before it was evening.

Options

A. The secret was disclosed by the agent before it was evening.
B. The secret had disclosed by the agent before it had been evening.
C. The secret had been disclosed by the agent before it was evening.
D. The secret was disclosed by the agent before it had been evening.

Answer

C

Explanation

The secret had been disclosed by the agent before it was evening.