In the question below, the sentence has been given in Active/Passive voice. From the given alternatives, choose the one which best expresses the given sentence in Passive/Active voice.
A child could not have done this mischief.
This mischief could not be done by a child.
This mischief could not been done by a child.
This mischief could not have been done by a child.
This mischief a child could not have been done.
Correct answer is C
No explanation has been provided for this answer.