A、His mother’s use of the washing machine. B、His father’s turning on the microwave oven. C、His long hours of watching TV. D、The

W: You don’t look smart this morning. I can see you’re not happy.
M: I had never expected this would have happened to me. We had a power failure at home last night.
W: How come? Did anyone in the family, do anything wrong?
M: You’ve guessed it. It was all my father’s fault.
W: What did he do?
M: I was just watching a wonderful football feature program on TV when the lights suddenly went out.
W: Why was that?
M: You see, we’d just had our dinner. My mother was washing my jeans in the washing machine. And the air-conditioners were on in both rooms. I was in my room watching TV.
W: What was your father doing then?
M: He wanted to warm his tea in the microwave oven. He plugged it in and the fuse broke. And everything stopped all of a sudden.
W: Your next-door neighbor is an electrician, isn’t he?
M: Yes. Luckily, he happened to be at home. He came and fixed it up. But it was half an hour later. I had already missed a lot.
W: It was an annoying experience for a sports fan like you. But don’t miss the basketball finals this evening. Make sure there is no power failure tonight.
Questions 23 to 25 are based on the conversation you have just heard.
23. Why does the man look depressed this morning?
24. What was the immediate cause of the power failure?
25. What will the man probably do tonight?