单项选择题

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now, listen to the passage.
What had happened by the time Sam was 63 years old

A.His wife had died.
B.He had got into debt.
C.He had read many great books.
D.He had driven his children away.