单选题：He doesn't dare to leave the house _____ he should be recogn

题目内容：

He doesn't dare to leave the house _____ he should be recognized. A． in case
B． if
C． provided
D． so that

参考答案：

答案解析：

Questions 4 to 7 are based on the following conversation. At

Questions 4 to 7 are based on the following conversation. At the end of the conv

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