问题描述：
He finished his school in 1992； he was ________ that year.
A:fifteen years of age
B:at the age of fifteen
C:fifteen years age
D:fifteen old
答案写的是选择A 为什么呢 感觉 B也对的吗
A:fifteen years of age
B:at the age of fifteen
C:fifteen years age
D:fifteen old
答案写的是选择A 为什么呢 感觉 B也对的吗
问题解答：
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