She made a lot of money _______-flowers A.by sell B.to sell C.in selling D.by selling
问题描述：
She made a lot of money _______-flowers A.by sell B.to sell C.in selling D.by selling
答
D.by selling
翻译：她通过卖花赚了许多钱.
by doing sth.通过做某事,介词+ 动名词