921. When evidence of financial wrongdoing by an elected official surfaces, it is the electorate who must decide whether the evidence warrants censuring him or ousting him from office.
(A) whether the evidence warrants censuring him or ousting him
(B) if there is evidence that warrants a censure or an ousting of him
(C) whether or not the evidence warrants the censuring or ousting of him
(D) if there is evidence that warrants censuring him or his ousting
(E) if the evidence would warrant that he be censured or that he be ousted
Between A and C which one is idiomatic. I chose C but thats no the right answer. Please explain