In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

I saw him leaving the movie theatre.

A

He was seen leaving the movie theatre by me.

B

Leaving the movie theatre he was seen by me.

C

He was seen to be leaving the movie theatre.

D

He had been seen leaving the movie theatre.