Select the correct passive form of the given sentence.
Hillary Clinton and her daughter Chelsea are working on “The Book of Gutsy women.

Options

A. “The Book of Gutsy women" is being worked upon by Hillary Clinton and their daughter Chelsea.
B. Hillary Clinton and Chelsea will have worked upon “The Book of Gutsy Women”.
C. “The Book of Gutsy women" is being worked upon by Hillary Clinton and her daughter Chelsea.
D. Hillary Clinton and her daughter Chelsea were working upon “ The Book of Gutsy Women.”

Explanation

(a) ‘The Book of Gutsy Women,’ is being worked upon by Hillary Clinton and her daughter Chelsea. (Correct) (b) Hillary Clinton and Chelsea will have worked upon ‘The Book of Gutsy Women’. (Incorrect Tense and Structure) (c) ‘The Book of Gutsy Women’ would have been worked upon by Hillary Clinton and her daughter Chelsea. (Tense has changed) (d) Hillary Clinton and her daughter Chelsea were working upon ‘The Book of Gutsy Women. (Incorrect Tense, Subject and Object)