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Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? In correct choices change the meaning in important ways or leave out essential information. A. The fossil record suggests that there was an abrupt extinction of many plants and animals at the end of the Mesozoic era. B. Few fossils of the Mesozoic era have survived in the rocks that mark the end of the Cretaceous. C. Fossils from the Cretaceous period of the Mesozoic up to the beginning of the Cenozoic era have been removed from the layers of rock that surrounded them. D. Plants and animals from the Mesozoic era were unable to survive in the Cenozoic era.