Although he was badly injured, he______explain what had happened.

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问题 Although he was badly injured, he______explain what had happened.

选项 A、might
B、was able to
C、could not
D、could

答案B

解析由表示让步的Although可知，主句应该用肯定句。was able to和could都可以表示能力，但是要表示具备某种能力，而且在这种能力下达成了一定的结果则要用was able to，could仅表示具备能力但不一定实施该能力。因此，本题答案为wasable to而非could。

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大学英语三级B级

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