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Mesozoic Era Climate Conditions

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Which of the following statements accurately describes the Mesozoic era, which lasted from approximately 250 to 65 million years ago?
ACarbon dioxide levels ranged between 700 and 2500 ppm, and global temperatures were 10 to 25 degrees Fahrenheit warmer than present levels.
BCarbon dioxide levels ranged between 700 and 2500 ppm, and global temperatures were similar to present levels.
CCarbon dioxide levels ranged between 700 and 2500 ppm, and global temperatures were lower than present levels.
DBoth carbon dioxide levels and global temperatures were lower than present levels.
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