In the Context of Writing Questionnaire Items, Which of the Following

In the context of writing questionnaire items, which of the following is a general guideline that should be followed when writing restricted items?

A) When asking either/or questions, either the positive or the negative pole should be included in the question.
B) Items on a list should be mutually inclusive.
C) If respondents need to choose from a list of items, all options must be included.
D) If respondents are asked to rank alternatives, the list should be relatively long.