Which of the following is INCORRECT about regret？A．It"s completely an opportunity if we ac

Which of the following is INCORRECT about regret？

A．It"s completely an opportunity if we acknowledge it.

B．It"s a kind of emotion about the past.

C．It"s a yearning about the future.

D．It promotes us to act.

请帮忙给出正确答案和分析，谢谢！