--- I don’t think this TV set is of good quality. Can you replace it with a new one?

--- _______. But I have to talk to my manager first.

A．Out of the question

B．I’m sorry

C．Not at all

D．Without question

下列现象中属于细胞编程性死亡的是（）

A.噬菌体裂解细菌的过程

B.因创伤引起的细胞坏死

C.造血干细胞产生红细胞的过程

D.蝌蚪发育成青蛙过程中尾部细胞的死亡