问题
选择题
Great attention must be paid ____ welfare, especially in the poor area.
A．develop
B．to develop
C．to developing
D．developing
答案
C
题目分析： 考查动词。句意：必须注意发展福利事业尤其是在贫穷落后地区。Pay attention to doing注意做某事，把这个短语变成被动语态，attention be paid to doing,故C项。
考点 : 考查动词