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Today, Anne is three times as old as Bobbi and Bobbi is 4 years younger than Charles. If Anne, Bobbi and Charles are all alive 3 years from today, which of the following must be true on that day?

I. Charles is 4 years older than Bobbi.

II. Anne is three times as old as Bobbi.

III. Charles is younger than Anne.

 

  • AI only
  • BII only
  • CIII only
  • DI and II
  • EII and III
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正确答案: A

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