According to the Author, the Best Way to Gain the Trust

According to the author, the best way to gain the trust of participants in a study where you are an outsider is to ________.

A) adopt the body language and dress of the group members you are studying as much as possible
B) try to copy the jargon of the group in your questions and responses
C) agree with everything you are told, even if you secretly disagree with the viewpoint presented
D) play the role of an "incompetent" and ask lots of questions