“  match between these two teams was exciting," said Federer, "and we hope to see ___second."

A．A; the

B．A; a

C．The; /

D．The; a

关于Optochin试验不正确的是 （）

A.用于鉴别肺炎链球菌与草绿色链球菌

B.是一种药物抑菌试验

C.与胆盐溶菌试验意义相同

D.与菊糖分解试验意义相同

E.用于指导临床用药