This was the first time that Chongqing the Listening Examination of Public English Test Sy

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A. has joined
B. joined
C. will join
(答案→)D. had joined
解析：考查时态：句意：这是重庆第一次在公共英语考试中加入听力考试。这句话用的是固定句型：This was the first time+that从句，从句中应该用过去完成式，如果是this is the first time+that从句，从句中就是现在完成时，选D。