听第9段材料，回答第15～17题。Text 9W: Please turn off the lights, Harry.M: Why？ What's the ma

听第9段材料，回答第15～17题。

Text 9

W: Please turn off the lights, Harry.

M: Why？ What's the matter？ I want to read the paper.

W: If we turn on too many lights, all the electricity in the house will go off.

M: Now who told you that？

W: Our new neighbor Mr. Smith.

M: Mr. Smith？ When did he come to our home？

W: I had to go to his home and ask for help today.

M: What was wrong？

W: When I turned on the washing machine, all the lights went out.

M: Well, did he take care of it for you？

W: Yes, but he said it would take a lot more work to do a really good job.

M: What does he mean by a really good job？

W: He said we need new electric wires throughout the house and a lot of other things.

M: Did he tell you how much it would cost？

W: Yes, about a thousand dollars.

M: A thousand dollars？ That's a lot of money. And just when we need to get some work done on our car, too.

What had gone wrong in their house？

A. Their washing machine.

B. The electricity.

C. The lights.