waha1ha1

C knows the answer by deducing D is not yelling out the answer.
/ W' A% ~: C: `6 x, D8 v# h" kTVBNOW 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。That means D is not sure the answer by seeing one white and one black.www3.tvboxnow.com" }; \; Z6 f" x, W$ ~4 a9 [
C saw B is wearing the white, hence he is wearing the black