Question:

Who wrote the answer ? (Change into passive voice)

ABy whom the answer was written ?

BWho was written the answer ?

CThe answer was written by whom?

DWho had written the answer ?

Answer:

A. By whom the answer was written ?


Related Questions:

"Don't disturb the patient".Change into passive voice.

The passive voice of ‘Students are doing a lot of work’ is:

You should do that. Change into passive voice.

Put up the tent. Change into passive voice.

Don't beat the dog. Change into passive voice.