--- Now the situation has been kept under ______ control.

--- Yes. ______ role John played in it was very important.

A．the; A

B．/; The

C．the; The

D．/; A

白细胞内特异性酶缺陷有助于下列哪些类型糖原累积症的诊断（）

A.糖原累积症Ⅱ型

B.糖原累积症Ⅲ型

C.糖原累积症Ⅵ型

D.糖原累积症Ⅸ型

E.糖原累积症Ⅶ型