个人客户申请办理网银落地撤单业务需提供（）.

A.账户凭证原件

B.本人有效身份证件

C.撤单申请书

D.他人担保的保证书

From the hill top we can see horses are ______ here and there in the pasture.

A．grazing

B．biting

C．licking

D．devouring