请教一道英语选择Do you know how much time and effort they devoted ____such a complicated project .A.to complete B.completed C.completing D.to completing到底是to do表目的还是devote sth to doing.纠结啊.

请教一道英语选择Do you know how much time and effort they devoted ____such a complicated project .A.to complete B.completed C.completing D.to completing到底是to do表目的还是devote sth to doing.纠结啊.
请教一道英语选择
Do you know how much time and effort they devoted ____such a complicated project .
A.to complete B.completed C.completing D.to completing
到底是to do表目的还是devote sth to doing.纠结啊.

请教一道英语选择Do you know how much time and effort they devoted ____such a complicated project .A.to complete B.completed C.completing D.to completing到底是to do表目的还是devote sth to doing.纠结啊.
这道题你可以参考以下三个devote的固定结构;
devote sth to sth
devote sth to sb
devote sth to doing sth
很明显,devote后面即使是接to,to 后面的对象也应该是 名词性结构 （类似于动词的ing形式）
这里和to do 表目的无关,应该是 to + doing sth （可参照固定短语结构 devote sth to doing sth)
所以 答案选D