Americans eat_____vegetables per person today as they did in 1910.

A．more than twice

B．as twice as many

C．twice as many as

D．more than twice as many

癌症，腹部阵痛，大便带粘液脓血，里急后重，肛门灼热，有时恶心，口干，舌质红，苔黄腻，脉滑数。辨证应属（）

A.大肠癌湿热郁毒证

B.大肠癌瘀毒内阻证

C.大肠癌脾肾双亏证

D.大肠癌肝肾阴虚证

E.膀胱癌湿热蕴毒证