Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.
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ABased on the growth rates of large modern reptiles such as
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BOn the basis of growth rates of large modern reptiles such as
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CBased on the growth rates of large modern reptiles like
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DOn the basis of growth rates of large modern reptiles, like those of
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EBased on such growth rates as those of large modern reptiles like
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正确答案: B