Never ----faith in himself,James Watt went on with his experiment.

问题描述:

Never ----faith in himself,James Watt went on with his experiment.
A.losing B.lost
C.to loss D.to be lost

选A 瓦特继续坚持做试验,从未失去信心 这个句子里面James Watt 是主语,losing是现代分词做状语,用主动态