Which of the following statements is CORRECT？A．The man is depressed because of his mental

Which of the following statements is CORRECT？

A．The man is depressed because of his mental problems.

B．The man promised his wife to walk more often.

C．The dog needs to get exercises to use up his energy.

D．The dog has won the first prize at all the dog shows.

请帮忙给出正确答案和分析，谢谢！