In ________ North China,________ rain is very scarce,but in ________ south of China,there is ________ heavy rain now and then．A.\;the;the;aB.\;the;\;\C.the;a;a;aD.\;the;the;\
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A解析解析：North China“华北”，具体地名前不加冠词,不可数名词rain前加the，指一类事物，故加the，在中国南部为in the south of China,a heavy rain一场大雨。故选A．