下列细菌中，用血清学诊断方法能确诊病人所患疾病的是（）

A.A群链球菌

B.金黄色葡萄球菌

C.布鲁菌

D.大肠埃希菌

E.肺炎链球菌

Questions 1-4

What is an all-purpose dictionary？（）

A．One that is unabridged with detailed definitions.

B．One that contains fewer words and emphasizes on special words.

C．One that contains a broad range of words in common usage.

D．One that spans several volumes and has extensive word histories.