They have been working on the bridge for a week. It seems they need two weeks to finish i

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A. more
B. other
(答案→)C. another
D. the other
解析：此处more更多，修饰数词置于其后；other其他的； another另外的，修饰数词置于其前；the other其他的，表特指。句意：他们建这座桥一个星期了。似乎他们还需要另外的两周才能完成。