—Have you finished your project, Cathy?

—Not yet. My computer        .

A．is still being fixed

B．is not fixing

C．has already been fixed

D．has not fixed

以下与痤疮发病无关的是（）。

A.皮脂产生增多

B.毛囊口上皮角化亢进

C.痤疮丙酸杆菌增殖

D.真菌感染

E.遗传因素