C knows the answer by deducing D is not yelling out the answer.TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。: d+ O8 w+ _0 [3 y' ?$ X
That means D is not sure the answer by seeing one white and one black.& E. {, U- H3 D, V, N
C saw B is wearing the white, hence he is wearing the black |