When Helen saw her tutor nod ______ to her, she calmed down and went on with her performance .

A．encouragingly

B．amazingly

C．interestingly

D．accordingly

金库现金调拨业务必须遵循（）的原则。

A.根据计划、及时调拨

B.根据指令、及时调拨

C.根据计划、见单调拨

D.根据指令，见单调拨