Mary is ill today. If she ______ ill, she _______ absent from school.

A．weren’t; couldn’t be

B．wasn’t; wouldn’t have been

C．wasn’t; wouldn’t be

D． weren’t; won’t be

内外贸融易通项下，办理收付通业务的流程是（）。

A.业务审核→受理申请→签订合同→办理收付通手续

B.签订合同→受理申请→业务审核→办理收付通手续

C.受理申请→签订合同→业务审核→办理收付通手续

D.受理申请→业务审核→签订合同→办理收付通手续