One reason for my ______ for living in the countryside is that it has no air pollution or traffic jams.
A. preference B. attitude C. explanation D. request
知识点：名词
A
【知识归纳】
reason做主语后面的表语从句用that引导。The reason why he was late was that his mother was ill.他迟到的理由是他妈妈病了。