Which of the Following Situations Would Be Most Appropriate to Use

Multiple Choice

Which of the following situations would be most appropriate to use a follow-up question during an interview?

A) A respondent indicated that he did not want to answer a question on a particular topic, and the researcher wanted to know why.
B) A respondent answered a question matter-of-factly and it was clear he did not want to answer the question.
C) A respondent showed a certain facial expression when answering a question and this sparked the researcher's curiosity.