Select the correct passive form of the given sentence. Bill Gates has given away twenty seven percent of his wealth in charity. (a) Twenty seven percent of his wealth had been given away by Bill Gates in charity (b) Twenty seven percent of his wealth has given away Bill Gates in charity (c) Bill Gates has been given away by twenty seven percent of his wealth in charity. (d) Twenty seven percent of his wealth has been given away by Bill Gates in charity.

Options

A. Twenty seven percent of his wealth had been given away by Bill Gates in charity
B. Twenty seven percent of his wealth has given away Bill Gates in charity
C. Bill Gates has been given away by twenty seven percent of his wealth in charity.
D. Twenty seven percent of his wealth has been given away by Bill Gates in charity.