According to Prof. Weizenbaum, what led to the hackers’ strange behavior is ______.

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．She would have stayed in her hometown for the rest of her life.
B．She would have made a great mistake in her life career.
C．She would have been happy to come to the city to look for a job.
D．She would have become a secretary to someone in her village.