A man is 48 years old. He asks the other man how old he is. The other man answers: "I am twice as old as you were when I was as

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问题 A man is 48 years old. He asks the other man how old he is. The other man answers: "I am twice as old as you were when I was as old as you are today." How old is the other man?

选项 A、32
B、48
C、64
D、80

答案C

解析
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