有机磷农药中毒洗净胃后为何要保留胃管12小时（）

A.使病人得到休息

B.以后可喂流质

C.可进入泻药

D.防洗胃不彻底

E.进一步抽十二指液

There is no （）that he was once a thief. But it doesn't mean you can always regard him as a thief.

A.deny

B.denied

C.denies

D.denying