In the question a sentence has been given in Active voice. Out of the given four alternatives, suggest the one which best expresses
the given sentence in Passive voice.
Shramishtha had donated the books last month.

Options

A. a) The books will be donated by Shramishtha last month.
B. b) The books has been has been donated by Shramishtha last
month.
C. c) The books had been donated by Shramishtha last month.
D. d) The books will have been donated by Shramishtha last month

Answer

C