— The drunken driver said his father was Li Gang after the accident in Hebei University.

— ________ He must take the blame, no matter who his father is.[ ]

A. What for?  

B. So what?

C. No doubt. 

D. No wonder.

关于第二信号系统（）。

A.属于抽象信号系统

B.属于具体信号系统

C.是人区别于动物的主要特征

D.是在第一信号的基础上逐渐形成的

E.与第一信号系统无关