You Have Noticed That It Is Occasionally Hard to Interpret

You have noticed that it is occasionally hard to interpret the facial expressions of one of your favorite blind performers.This observation offers support for the idea that 

A) emotional facial expressions can only be learned by observation early in life. 
B) blind people do not have the same emotions that sighted people have. 
C) blind people have to learn facial expressions and someone apparently did not teach him how to express himself properly. 
D) although emotional facial expression is largely innate, it is modified through observation and experience.