单选题
All her time________ research, the scientist has no time for films.
Adevoted to do
Bis devoted to doing
Cdevoting to doing
Ddevoted to doing
正确答案
答案解析
本题考查独立主格结构 D选项，句意为“那位科学家把所有时间都投入了研究，没有时间看电影了”。前半句的逻辑主语是all her time，与主句主语the scientist 不一致，因此为独立主格结构。time 与devote之间是被动关系，构成devote all her time to doing...结构。综上，D选项正确。