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Jeannes great grandmother was born at the turn of the 20th century. Jeanne was born at the turn of the 21st century. Which of the following is TRUE of their life expectancies? A : They were roughly the same. B : Jeanne had a shorter life expectancy than her great-grandmother. C : Jeanne had a longer life expectancy than her great-grandmother. D : There is no way to know how their life expectancies compared.

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