题目内容：
A before
B after
C because
D when
参考答案：
答案解析：
单选题：A beforeB after C becauseD when
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A before
B after
C because
D when
A before
B after
C because
D when
A sensatoryB sensible C recognitoryD recognizable
A sensatoryB sensible C recognitoryD recognizable
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