C knows the answer by deducing D is not yelling out the answer.tvb now,tvbnow,bttvb9 c9 `* T; o# R4 I
That means D is not sure the answer by seeing one white and one black.
# I# C, S3 ~8 B% c2 v公仔箱論壇C saw B is wearing the white, hence he is wearing the black |