—Do you need any help, lucy? –Yes. The job is _____I could do myself.

A． less than

B．more than

C．no more than

D．not more than

直肠癌最可靠有效的检查方法（）.

A.B.超

B.直肠指检

C.大便潜血试验

D.直肠镜取活组织检查