As He Drove Out of the Driveway, He Saw His

As he drove out of the driveway, he saw his wife waving but did not realize that she wanted him to stop to avoid running over the tricycle. He thought she was just waving good-bye. The problem in this nonverbal episode is that we

A) use a variety of cues to communicate the same meaning.
B) use the same cue to communicate a variety of meanings.
C) have a one-to-one relationship between signal and meaning, so that one cue has one meaning.
D) have many ways to say good-bye, including handshakes, hugging, and waving.