Which of the Following Is TRUE

Which of the following is TRUE?

A) In forming a question for a questionnaire, a question should be worded so as to secure an answer with only the required detail, not so as to generate additional information.
B) It is wise to break one question into two when different frames of reference could be used by the respondent.
C) The open-ended question is often employed as the beginning question in that it can provide insight into the respondent's frame of reference.
D) When determining if the individual has the necessary information, the researcher should take into account how important the event was likely to be to the individual and how long ago it took place.
E) All of the above are true.