题目内容
The careless boy lost his key, _______ he had to wait for his mom in the cold.
| A．and | B．or |
| C．for | D．so |
D
解析试题分析：句意：这位粗心的男孩丢了他的钥匙，因此他不得不在这个冷天中等待他母亲的回来。分析考查连词的用法，两句之间的关系为因果关系，因此用并列连词so.故选 D
考点：考查连词的用法。
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