题目内容
If you want to go into that factory, you need a _______.
A. permission B. permitting
C. permit D. admit
C
词义辨析。permission“允许, 许可”, 抽象名词, 不可数; permitting “允许”, permit的动名词形式; permit “许可证”, 可数名词; admit “承认”, 动词。由句意可知C项正确。

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