Question

The UN officials say it could be many weeks and even months ____ a deal is reached．

A．before

B．after

C．when

D．as

Answer 1

A

连词辨析.    A．在……之前B．在……之后 C．当……时候 D．随着。句意：联合国官员说在达成协议之前可能有几周甚至几个月的时间。故选A。