单项选择题

Questions 17 to 20 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. Why didn’t the closest ships come to the Titania’s rescue

A.Because they did not hear Titania’s desperate calls for help.
B.Because they didn’t want to get involved in the accident.
C.Because they hit each other while rushing to rescue.
D.Because they didn’t have enough fuel.