单选题
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Lots of rescue workers were working around the clock, ()supplies to Yushu, Qinghai province after the earthquake.

A

sending 

B

to send

C

having sent 

D

to have sent 

参考答案

正确答案:

试题解析

本题考查非谓语动词。

句子真正的谓语是were working,后半句没有连词,所以出现的动词要使用非谓语形式,主语Lots of rescue workers与send为主动关系,所以该空需要现在分词短语作伴随状语。故选A项。

句意:地震发生后,大量的营救人员夜以继日地为青海省玉树县提供补给。