At the end of August, another serious quake in Sichuan , has affected 500,000 people, happened about 30 km southeast of Panzhihua City, near the Sichuan-Yunnan border,
A. that
B. where
C. which
D. What
网友回答
A. that
B. where
(答案→)C. which
D. What
解析：句意：在8月底，另一次地震在四川发生了，它使50万人受到影响，这次地震发生在四川云南边境的攀枝花的东南30公里处。这里是定语从句，关系词在从句中作主语，故排除BD；又因为that不能引导非限制性定语从句，故选C。