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【单选题】
Which of the following statements concerning the comparison between pre- industrial and post-industrial climate change, as described in the passage, is accurate?A.
The pre-industrial period experienced a much greater degree of climate change, owing to solar activity.
B.
The post-industrial period experienced a much greater degree of climate change, owing to greenhouse gases.
C.
Both periods have experienced a degree of change, but their primary causes are different.
D.
Both periods have experienced a degree of change, and their primary causes are identical.
E.
Scientists have yet to prove that climate change is linked to either sunspots or greenhouse gases.
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