Which of the following statements is true about psychological fatigue?A.Psychological fati

Which of the following statements is true about psychological fatigue？

A．Psychological fatigue happens to those involved in war.

B．Rest is the only solution for psychological fatigue.

C．Physically healthy people do not suffer from psychological fatigue.

D．Physical labor can get some people out of psychological fatigue.

请帮忙给出正确答案和分析，谢谢！