单项选择题

Questions 1 to 5 are based on an interview. At the end of the interview you will be given 10 seconds to answer each of the following five questions. Now listen to the interview. As far as social behavior is concerned, smart children usually ______ children of similar age.

A.act more politely than
B.act more rudely than
C.act just in a same way as
D.hate to stay with