考研英语单选题及答案：
1. The weather was so severe that _______ we had to postpone the outdoor activities.
A. it was too cold to go outside
B. we had to stay indoors
C. we couldn't go out
D. going out would be too dangerous
答案：C
解析：根据句意，天气非常恶劣，以至于我们不得不推迟户外活动。因此，正确答案应该是表示“我们无法外出”的选项C。
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