单项选择题


Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).
Passage One
Questions 26 to 29 are based on the passage you have just heard.

A.Both of them consist of different groups.
B.The basic unit of each society is the family.
C.Different individuals have different jobs.
D.Both of them consist of families.