Please choose the right options about the painting Mona Lisa.
A.Neuro scientists have found the Da Vinci code for Mona Lisa’s smile. B.Mona Lisa's smile is evasive because cones and rods perceive it differently. C.Mona Lisa's smile is so mysterious that we can’t know the reason. D.If you want to see the Mona Lisa's smile, you can’t focus on the details and color.