Which of the Following Is Good Advice

Multiple Choice

Which of the following is good advice?

A) Use negations, like "no" and "not" to avoid double-barreled questions.
B) To deal with response sets, vary the way you phrase questions.
C) Use questions that are not related to your hypotheses to make the questionnaire sound more "natural" and because these questions may provide unexpectedly
useful data
D) To get more information from each question, use conjunctions like "and" and "or"