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【单选题】
涉及客户资金账户及证券账户的开立、信息修改、注销，建立及变更客户资金存管关系，客户证券账户转托管和撤销指定交易等与客户权益直接相关的业务应当( )人操作、( )人复核复核应当，留痕。A.
一;一
B.
多;多
C.
多;一
D.
一;多
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皮皮学刷刷变学霸
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