ThetrainCRH380A,________trialoperat

发布时间：2020-07-10 00:22:52

The train CRH380A, ________ trial operation on the Shanghai-Hangzhou high-speed railway, set a speed record of 416.6 kilometers per hour．













A.started












B.to start











C.starting











D.being started

网友回答

C
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