Which of the Following Statements Is True of Questionnaires

Which of the following statements is True of questionnaires?

A) Questions are asked in a natural specific-to-general order to reduce the potential for sequence bias.
B) Any sensitive questions are placed later in the questionnaire before the respondent becomes engaged in the process of answering questions.
C) A well-prepared questionnaire consists of leading and double-barreled questions.
D) The value of a well-constructed questionnaire is difficult to estimate.
E) In good questionnaire design, questions flow from demographic data to more general information.