wingdragon89

C.....

中國籍男子

C答中了。A和B一定答不到因看不到其他人。5 R$ T- {5 H; E! i" f
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
3 l6 W% }* a0 i( y8 Ftvb now,tvbnow,bttvb而不會過了一會才作答，C發現D不知道答案時就表示
: o. i! o8 s( V2 S- [tvb now,tvbnow,bttvbC和B是不同顏色，那麼C只要答和B相反的顏色就對了。

南極

WHY???

mavvvv

i want to know the answer

waha1ha1

C knows the answer by deducing D is not yelling out the answer.5.39.217.77& Y4 @2 Q- j# K. U5 m- c/ L
That means D is not sure the answer by seeing one white and one black.
! B4 v# [- Z4 `+ pC saw B is wearing the white, hence he is wearing the black

abilam123

thank you

jonnyfang

see this before but forgot answer

sws2108

係點解呢？

wong32159

thank a lot

rockylok

dfdfd

KekHao

我觉得是D 呢。。。

formax

好難哦~~

bluekid2030

1# wasimasterQ tvb now,tvbnow,bttvb4 h- }0 ^3 ^6 x4 r: V
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。# T& @5 O; M+ T
C同B都答到

roembro

C, because he saw B's hat is white and he knows D can see the color of B's and his hat. If B and his hat has the same color, D would speak out. But D kept silent, so C knows that his hat's color must be different.

morrislch

may i see the answer?