单项选择题


Questions 8 to 10 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
Now listen to the conversation.
Why do we segregate the old from us according to the conversation

A.Because of prejudice and ignorance.
B.Because of a lack of good alternatives.
C.Younger people sometimes avoid the old to evade fears of aging and dying.
D.All of the above.