-She shouldn't have done that sort of thing.

-Whatever she did was reasonable, t      o what you had done.

-Besides,it's none of your business.Get down to        your work. [ ]

A.comparing;doing

B.comparing;do

C.compared;doing

D.compared;do

男性，35岁。1周来发热，腹痛，腹泻，大便每日5～6次有血及黏液。查体：T37.8℃，下腹有压痛，右下明显。大便镜检RBC20～30个／HP，WBC3～5个/HP。

为确诊应查哪一项（）。

A.大便培养

B.自身免疫性抗体

C.镜检查找溶组织阿米巴原虫

D.大便毛蚴孵化

E.乙状结肠镜检查