My brother Tom was very selfish when he was a little boy.He did not want share things with other people. For example, when he bought a chocolate cake he put them in a secret place where I couldn’t find . Then he ate it all by himself. He never helped other. He said he is busy . That is, a game of tennis making him very busy. He did not care if something he did made people angry. For instance, on one night he played strong and loudly music till four o’clock on the morning. But he is difference now. He often helps grandma with housework, helps his classmates with their lessons.

下列选项中，属于“右”的思想的有（）。

A.中国必须由 * * 党领导

B.中国应回到建国时的平均主义时期

C.在中国推行三权分立的政治模式

D.在中国推行多党制