waha1ha1

C knows the answer by deducing D is not yelling out the answer.tvb now,tvbnow,bttvb: F9 H! f+ t7 K* Y3 _  m: M7 k: i
That means D is not sure the answer by seeing one white and one black.
' C/ S, Y) w9 J- \7 d  E5.39.217.77C saw B is wearing the white, hence he is wearing the black