3. According to the article, why did Europeans so quickly accept that the sun did move and change?
A. Europeans had already been questioning the accuracy of their religious beliefs long before scientists began observing sunspots.
B. Scientists published a significant amount of work on their findings about sunspots, which helped to convince the public.
C. The religious leaders at the time were very supportive of scientific observations about sunspots.
D. There had been so many sightings of sunspots all in the same time period, which proved that scientists were all observing the same thing.