For years Jones kept--up with new and good ideas.A.to come B.to have come C.coming D.having come

问题描述:

For years Jones kept--up with new and good ideas.A.to come B.to have come C.coming D.having come
为什么选C啊!怎么翻译

keep doing something 不断干.
come up with--想出,提出
译文:多年来琼斯不断提出新的想法.