C knows the answer by deducing D is not yelling out the answer.
7 l r/ W# m# G: S5 R1 Itvboxnow.comThat means D is not sure the answer by seeing one white and one black.
1 h, M1 V v. ]* h/ E G/ Btvb now,tvbnow,bttvbC saw B is wearing the white, hence he is wearing the black |