1 . 听下面一段较长对话，回答以下小题。
1. How did the man notice the problem first?

A．His bank called him.

B．His bill showed him.

C．His credit card was stolen.

2. What did the bank do to fix the problem?

A．They gave the man his money back at once.

B．They decided to talk to the bank’s owner.

C．They asked the man to provide the evidence.

3. What might have caused the problem according to the man?

A．Online shopping.

B．Overdue debt.

C．Unskilled operation.

4. What do the two speakers mainly talk about?

A．Information safety.

B．Shopping habits.

C．Money management.