【单选题】

Questions 14 to 17 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.
Which of the reasons is NOT mentioned forAmericans’ inclination to privacyA．They need time to work out things about themselves.
B．They get refreshed on their mental status.
C．They sometimes want to be isolated from the community.
D．They have something that would not be shared with others.