Select the most appropriate word to Fill in the blank.
He is an honest man and his conduct is ______ suspicion.

Options

A. above
B. below
C. over
D. against

Explanation

Above is usually used to refer to a greater authority or its importance for example this is above all, his qualities are above all. Similarly here, the conduct of the man is above suspicion means he can.t do anything wrong & suspecting.