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。5.39.217.77- x* ]4 A3 v7 s% t6 \" i( w# `
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
: y$ @6 J' N  w0 s* |7 Q而不會過了一會才作答，C發現D不知道答案時就表示
' u  H- ]0 k( c8 I& W. {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.
8 O7 l9 u( l/ C  K- i/ b# IThat means D is not sure the answer by seeing one white and one black.
; a, S9 W7 a8 C7 _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 # [7 b. t. x5 Z! l' M6 j

9 ~, }9 k( u6 a$ A( V5.39.217.77C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?