My uncle is used to for the children in poor areas.A. raise moneyB. raised moneyC. raising

问题补充：

My uncle is used to for the children in poor areas.

A. raise money

B. raised money

C. raising money

D. raises money

答案：

A. raise money

B. raised money

(答案→)C. raising money

D. raises money

解析：句意：我的叔叔习惯于为贫困地区的孩子们筹集资金。短语be used to sth习惯于某事;to是介词，后面接名词或者动名词作宾语，结合语境可知选C。