It's very difficult to satisfy the manager for he has already________ three applicants this morning.[ ]

A. turned away  

B. turned out

C. turned to  

D. turned off

将处于塑化状态的塑料型坯置于模具内，然后闭合模具并在型坯叫通以气体，使其成型中空制品的模具，称为（）模具。

A.拉深

B.注塑

C.挤出

D.吹塑