【题目】_____ faith in himself, the scientist was determined to carry on with his research, no matter what others said.
A.Never to loseB.To never loseC.Never losingD.Never lost
在线课程【答案】C
【解析】
考查非谓语动词。句意：这位科学家从不丧失信心，决心不管别人怎么说，都要继续他的研究工作。根据lose与主句主语the scientist之间是主动的关系，应用现在分词形式。故选C项。