A．Anger is difficult to detect by looking at a person’s face.
B．Anger is frequently confused with other emotions.
C．Anger is detected by women better than by men.
D．Anger cannot be detected by a psychologically trained person.

A．People don’t understand the importance of learning to listen.
B．Sometimes we should listen more than we speak.
C．Listening is always more important than speaking.
D．We can learn more from listening than from reading and speaking.