单项选择题

Questions 11 to 14 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Now listen to the passage.

What does the speaker say about the campers who have asthma

A.They shouldn’t come to the camp.
B.They must limit their activities.
C.They will be seen by a doctor every day.
D.They bring their medicine to camp.