Evidence from Studies About the Emotional Processing of the Basic

Evidence from studies about the emotional processing of the basic outlines of facial features supports the idea that

A) the emotional expressiveness of our facial features has been declining.
B) our brains evolved to understand only the most complex facial expressions.
C) our brains are highly attuned to detecting emotions from facial expressions.
D) our faces are able to communicate emotions even in the complete absence of facial expressions.