Mr. Reed made up his mind to devote all he had to some schools for poor children. A. set

问题补充：

Mr. Reed made up his mind to devote all he had to some schools for poor children.

A. set up

B. setting up

C. have set up

D. having set up

答案：

A. set up

(答案→)B. setting up

C. have set up

D. having set up

解析：devote…to…中to是介词，接动名词；all是devote的宾语，he had是省略了关系代词that的定语从句。