Method of data collection

In which situation would the researcher most likely choose storytelling rather than interviewing as the method of data collection?

a) The researcher has several predetermined questions that he or she wants all of the participants to answer.

b) The researcher has a personal experience related to the research topic that he or she can share with the participants.
c) The researcher wants to obtain in-depth information from the participants.

d) The researcher wants to be able to analyze the participants’ nonverbal communication.