单项选择题

Questions 14~16 are based on the following conversation. You now have 15 seconds to read Questions 14~16.
Why does Kate refuse to leave the house then

A.Because she hasn’t got ready yet.
B.Because she is waiting for David.
C.Because she is waiting for a taxi to pick her up.
D.Because it is raining very hard and she doesn’t have an umbrella.