My cousin knows a lot about geography, he is only four years old. A. because B. so C. alt

发布时间：2020-08-22 00:23:24

My cousin knows a lot about geography,      he is only four years old.
A. because               B. so                    C. although

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解析：考查连词的用法。前后意思转折，用although“尽管”。
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