city in Zhejiang Province, located on the river’s upper reaches, is believed to be source of the dead pigs.
A. The; a
B. The; the
C. A; the
D. A; a
网友回答
A. The; a
B. The; the
(答案→)C. A; the
D. A; a
解析：考察冠词。本题第一空用a泛指一个浙江的城市；第二空名词source后面有介词短语of the dead pigs修饰，故使用the表示特指。句意：位于长江上游的一座浙江省城市被认为是死猪的源头。故C正确。