Several years ago, ________ people knew him. But now he is famous in my country.       [ ]

A. few

B. any

C. many

D. most

艾滋病高危人群不包括（）。

A.长期吸烟者

B.同性恋者

C.注射吸毒者

D.性乱者

E.患艾滋病母亲所生婴儿