Which of the Following Is One of the Advantages an Interview

Which of the following is one of the advantages an interview schedule has over a questionnaire-based survey?

A) Interview schedules allow informants to talk about whatever they feel is important.
B) Interview schedules rely on very short responses, and therefore are more useful when there is less time to conduct research.
C) Questionnaires are completely unstructured, so informants might deviate from the subject of interest.
D) Interview schedules are better suited to complex, urban societies.
E) Questionnaires are emic, while interview schedules are etic.