问题详情

According to the passage, which of the following is CORRECT about sleepwalking？

A．It is caused by emotional conflict.

B．It is the acting out of a vivid dream.

C．Somnambulists are asleep during their sleepwalking.

D．It is dangerous to waken a sleepwalker.

请帮忙给出正确答案和分析，谢谢！