听下面一段较长对话，回答以下小题。
【小题1】When did the woman begin to save money?

A．When Mike was jobless.

B．When her child started school.

C．When she borrowed money.

【小题2】What can we know about a dollar shop?

A．It sells things at half price.

B．Things are poor in quality.

C．Everything is sold for $1.

【小题3】What did Mike do with the coffee?

A．He threw away the cheap coffee.

B．He mixed two kinds of coffee together.

C．He kept the good coffee for the woman.