— 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.

火箭免疫电泳的火箭峰呈纺锤状（）

A.抗原为IgG类蛋白质

B.抗原含量过高

C.电泳时间未达终点

D.加样速度慢

E.琼脂凝胶的电渗过大