问题补充：
Chinas badminton superstar Lin Dan won a thrilling final for his fifth world champion in Guangzhou on Sunday over Lee Chong Wei, who his game due to injury.
A. concerned
B. recovered
C. abandoned
D. recognized
答案：
A. concerned
B. recovered
(答案→)C. abandoned
D. recognized
解析：考查动词词义辨析。此处concerned关心； recovered康复；abandoned放弃；recognized认出。句意：中国羽毛球超级明星林丹星期日在广州战胜了对手李重伟，赢得了他的激动人心的第五次世界锦标赛的冠军，在这场比赛中李重伟因为受伤放弃（abandoned）了比赛。根据句意选C。
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