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- 单项选择题User2 is complaining that he is unable to list the contents of a directory. What is the most likely cause?（）
A、User2 needs write permission to the directory.
B、User2 needs both read and write permissions to the directory.
C、User2 needs both read and execute permissions to the directory.
D、User2 needs both write and execute permissions to the directory.
- C
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