单项选择题

It is possible that your company is facing difficulties of which we are not aware.（）

A. 可能你公司正面临一我们不了解的困难。
B. 也许你公司正面临一我们不明白的困难。
C. 我们不知道你公司正面临困难时有可能的。
D. 有可能你公司正在面临些困难，都是我们不了解的。

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