．--- Shall I give you a ride as it is so late?

--- Thank you.____________.

A．If you insist

B．It’s up to you

C．It all depends

D．It couldn’t be better

颅脑损伤病人，腰穿为血性脑脊液应考虑（）

A.脑挫裂伤

B.硬脑膜外血肿

C.脑震荡

D.脑水肿

E.以上都不是