问题
单项选择题
Weareverysorryforthetroublecausedbythe（ ）delivery。
A．delaying
B．delayed
C．beingdelayed
D．todelay
答案
参考答案：B
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Weareverysorryforthetroublecausedbythe（ ）delivery。
A．delaying
B．delayed
C．beingdelayed
D．todelay
参考答案：B