题目内容：

听下面一段独白，回答以下小题。

1.Who do you think the listeners might be?

A. Patients.    B. Visitors.    C. Nurses.

2.How long does the visiting hours last each time?

A. Half an hour.    B. An hour.    C. Two hours.

3.What sign can you see in this hospital?

A. No jumping queuing.    B. No parking.    C. No smoking.

4.What can listeners do in this hospital?

A. Talk loudly in the room.

B. Listen to the hospital radio.

C. Leave the hospital secretly.