The child is much too young; I object him alone at home.
A. to leave
B. leave
C. leaving
D. to leaving
网友回答
A. to leave
B. leave
C. leaving
(答案→)D. to leaving
解析：考察固定搭配。固定搭配object to sth/doing sth反对做某事；其中的to是介词，后面接名词或者动名词做宾语。句意：这个孩子太小了，我反对把他一个人留住家里。故D正确。