As we can wait no longer for the delivery of your order, we have

As we can wait no longer for the delivery of your order, we have to______it.
A、postpone
B、refuse
C、delay
D、cancel
【正确答案】：D
【题目解析】：postpone表示“使延期，延迟”；refuse表示“拒绝”；delay表示“延迟，延误”；cancel表示“取消，撤销”。根据题意，本题选D项。