A stock’s abnormal rate of return is defined as the:（）

A. expected risk-adjusted rate of return minus the market rate of return.

B. actual rate of return less the expected risk-adjusted rate of return.

C. the market rate of return less the actual rate of return.

心理自我管理从形式上分包括（）

A.专制性

B.等级型

C.平等竞争型

D.无政府型