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
正确答案及解析
正确答案
A
解析
考情点拨:本题考查非谓语动词。应试指导: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。该空为现在分词短语作伴随状语，故选A项。
