In the question, 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—
- The secret was disclosed by the agent before it was evening
- The secret had disclosed by the agent before it had been evening
- The secret had been disclosed by the agent before it was evening
- The secret was disclosed by the agent before it had been evening