Questions 18 to 20 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. Why is a person’s social contacts one important factor in loneliness
A.We need our friends to share similar interests and activities. B.We need our teachers to guide us. C.We need co-workers to help us. D.A lonely person’s popularity may be increased with more social contacts.