51. A child could not have done this mischief.

A. This mischief could not be done by a child.
B. This mischief could not been done by a child.
C. This mischief could not have been done by a child.
D. This mischief a child could not have been done.
✅ The correct answer is option C.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top