下列哪项不应及时开胸探查（）。

A.胸腔内进行性出血

B.支气管断裂

C.胸内存留较大异物

D.心脏压塞

E.张力性气胸

The problem with being a time waster is _____the online game playing often spills over into the periods of time that should be productive.

A．what

B．which

C．that

D．whether