Test B
  Self-disclosure is a special type of conversation in which we share intimate information and feelings with another person. There are many reasons why we disclose personal information to another person. One is simply to express our feelings – to “get them off our chest.” After a hard day at work, we may eagerly tell a friend just how angry we are at our boss and how unappreciated we feel. A second reason for self-disclosure is to gain greater understanding and self-awareness. Talking to a friend abut a problem can help us to clarify our thought about the situation. Social approval is another reason for disclosing information. By seeing how a listener reacts to what we say, we get information about the appropriateness of our views. People may reassure us that our reactions are “perfectly normal” or suggest that we’re “blowing thins out of proportion.” Yet another common reason for self-disclosure is relationship development. The sharing of personal information is an important way to begin a relationship and to move toward increasing levels of intimacy.
 The main idea is expressed in 
A、sentence 1
B、sentence 2
C、sentence 3
D、sentence 11