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

He saw him conducting the seminar on personality development.

A

He was seen by me to conduct the seminar on personality development.

B

He was seen conducting the seminar on personality development.

C

He saw the seminar on personality development being conducted by him.

D

He saw the seminar on personality development to be conducted by him.