Definition: You are given a question on sociology. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: A survey should avoid asking:
(A)fixed-choice questions (B)short questions (C)leading questions (D)funnelled questions

C