Which of the following procedures is recommended for officers to follow as they conduct an interview? A. Start immediately with a businesslike question, such as, "How long have you known Mr. Brown?" B. Conclude the conversation with about five minutes of social chit-chat so as to alleviate the discomfort of the subject. C. Allow the subject to wander off the main point from time to time so he will feel the officer is not in control of the situation. D. Take only brief notes during the interview itself, such as names, addresses, and key phrases