问题
单项选择题
The key （）the company's success was that it employed an excellent manager
A. to
B. for
C. around
D. about
答案
参考答案：A
解析：
the key to意为“……的关键”。
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The key （）the company's success was that it employed an excellent manager
A. to
B. for
C. around
D. about
参考答案：A
解析：
the key to意为“……的关键”。
______.