—— Hurry up. The bus is coming!

—— Oh, no, we mustn’t cross the street ______ the traffic lights are green.

A．after

B．since

C．when

D．until

企业以欺骗、贿赂手段取得的资质证书，应当被（）。

A.吊销

B.撤销

C.撤回

D.注销