There are things more important to society than educating children and providing healthcare to families．
A. few
B. a few
C. more
D. many
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(答案→)A. few
B. a few
C. more
D. many
解析：考查不定代词。few和a few修饰可数名词；前者表示否定，后者表示肯定。句意“没有什么事情比教育孩子和为家庭提供医疗对一个社会更重要了。”这里表示的是否定的意思，且修饰可数名词things。故选A。