They came back from their long walk and went into bed,           .

A．tiredly but relaxing

B．tired but relaxing

C．tiredly but relaxed

D．tired but relaxed

金信卡卡片领用采取出入库方式，领用实物时必须双人以上经手，必须做到（）。

A.责任明确

B.交接清楚

C.手续严密

D.严防丢失