By Cutting a Photograph of a Person Who Is Displaying

By cutting a photograph of a person who is displaying an emotion down the exact middle of the face and creating composite faces out of different combinations of the left and right sides, researchers found that photographs constructed using only the left side of a face appear to look

A) more emotional than photographs using only the right side.
B) less emotional than photographs using only the right side.
C) more distraught than actual faces.
D) easier to identify than actual faces.