Arnold Is Not a Cheerleader and Doesn't Know Any Cheerleaders

Arnold is not a cheerleader and doesn't know any cheerleaders personally,but when he sees them at the football games,they are always smiling.How does Arnold most likely perceive cheerleaders?

A) Arnold is likely to think about specific cheerleaders rather than the group stereotype.
B) Arnold is likely to notice the ways in which each cheerleader is unique.
C) Arnold is likely to be able to distinguish cheerleaders from one another only if they are smiling.
D) Arnold is likely to think that all cheerleaders are happy.