SAT English Practice Question

The text explains that in 2018, a group of researchers published a study that suggested that some species of ants are able to count. This was a revolutionary finding. What is the most likely reason why the authors call this finding "revolutionary"?

1. A.suggests that the ability to count is a complex skill that could only be developed by a highly intelligent species.
2. B.challenges the long-held belief that ants are incapable of complex thought processes.
3. C.overturns the widely accepted theory that all insects are unable to count.
4. D.provides evidence that some species of ants are more intelligent than others.