Japan’s refusal to release（释放） Chinese fishing boat captain had already caused damage to Sino-Japanese bilateral contacts（双边关系）.
A. a; 不填
B. a; a
C. the; 不填
D. the; the
网友回答
A. a; 不填
B. a; a
(答案→)C. the; 不填
D. the; the
解析：考查冠词。the Chinese fishing boat captain特指中国的渔船船长；cause damage to造成损害。根据句意选C。