You Are Having a Conversation with a Friend and Say

Multiple Choice

You are having a conversation with a friend and say something that upsets him. You immediately notice that his facial expression flashes from one of anger to a false smile. This indicates that humans:

A) both b and c"
B) do not have physical changes in the brain when they are experiencing a particular emotion"
C) can have physical changes in their facial expression when they feel a particular emotion"
D) are very good at recognizing emotions in human faces"