万古霉素是上述哪一种感染的首选药

A.克雷伯菌肺炎

B.产超广谱β内酰胺酶大肠埃希菌所致肺炎

C.军团菌肺炎

D.金黄色葡萄球菌肺炎

E.铜绿假单胞菌肺炎

It was _____ opportunity to miss.

A．too good an

B．a too good

C．too a good

D．too good