Basic factors of listening are: A. Self-interest B. Speaker C. Facts D. Style…

The basic factors of listening in this question are self-interest, speaker and style of speaking. Self-interest creates motivation and attention in the listener. The speaker affects credibility and clarity of delivery. Style of speaking, including tone, pace, pauses and emphasis, directly influences how effectively the message is received. Facts are the content being communicated, and atmosphere is the surrounding setting; they may influence communication, but they are not part of the accepted core combination here. Hence, the correct answer is A, B and D only, i.e. Option A.