Answer:
d.Most climate scientists believe that there is evidence that explains global warming.
Step-by-step explanation:
If 97% of climate scientist agree that human activity is causign climate change, then they must have evidence to make that claim, so the sentence that most climate scientist believe that there is evidence that explains global warming is best supported by the afirmation that they agree that human activity is causing it, no other option is correct because they disagree directly with the study.