【单选题】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?
【简答题】A.He is a famous man in England. B.He is a man wearing animal mask. C.He is a professional dancer. D.He is a man in green leaves representing the new vegetation of the summer.