---How did the plan strike you?

---Great, indeed!_______. I can not speak too highly of it.

A．In fact

B．Be sure

C．After all

D．As a result

实验室应将分包安排以（）通知客户，适当时应得到客户的准许，最好是书面的同意。注意，通知客户的目的也含有保密的考虑。

A.书面形式

B.电话通知

C.口头通知