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。
6 T* T4 {2 y1 {: O9 ^  B) O3 L假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
8 [6 E# P4 q( ?5.39.217.77而不會過了一會才作答，C發現D不知道答案時就表示
0 i1 O5 P& S4 t/ m- `. eTVBNOW 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。C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.5.39.217.775 m5 @+ A6 W. Z9 B8 ]8 U* T# i
That means D is not sure the answer by seeing one white and one black.
1 W6 Z  j4 p/ U9 N: t& z" pTVBNOW 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。C 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 5.39.217.77* u4 G( q' E8 A( Y. v* P4 n

+ o  c8 E" j' Xtvb now,tvbnow,bttvbC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?