He devoted all the money he had a house of his own.
A. set up
B. to set up
C. to setting up
D. setting up
网友回答
A. set up
B. to set up
(答案→)C. to setting up
D. setting up
解析：考察固定搭配。固定搭配devote…to…把…用于…；其中的to是介词，后面要接名词或者动名词。本题考生容易受到定语从句all the money he had的影响。句义：他把他有的所有的钱都用来建自己的房子了。故C正确。