How Does an Interview Primarily Differ from a Questionnaire

Multiple Choice

How does an interview primarily differ from a questionnaire?

A) the interviewer should be able to take the perspective of the respondent.
B) the interviewer does not need to ask the questions in a completely standardized manner.
C) the interviewer should be sensitive to the social interaction with the respondent.
D) an effort should be made by the interviewer to encourage trust on the part of the respondent.