【题目】The auto company succeeded in developing a new type of new energy vehicle, ________ countless failure.
A. experiencing B. to experience C. to have experienced D. having experienced
在线课程【答案】D
【解析】
考查非谓语。
句意为：在经历了无数次失败之后，这个汽车公司成功地研发了一款新能源汽车。experience countless failure发生在develop之前，所以用having done，故D正确。