In the sentence "Perhaps the most startling theory to come out of kinesics, the study of body movement, was suggested by Professor Birdwhistell." The meaning of kinesics can be inferred from the clue of（ ）
In the sentence "Perhaps the most startling theory to come out of kinesics, the study of body movement, was suggested by Professor Birdwhistell." The meaning of kinesics can be inferred from the clue of（ ）
