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。  c6 R4 k7 g# l
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，  a+ a# p( O/ D
而不會過了一會才作答，C發現D不知道答案時就表示
6 ^& D% L. ^  F# `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.  y0 l! X( G4 I: Q" i' X
That means D is not sure the answer by seeing one white and one black.
- r) E2 [! u: V4 p- g8 _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 公仔箱論壇$ J  T# A* ~$ f/ N7 ~0 l
5.39.217.77  x+ g2 ~$ U( D  h6 U2 a6 v
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?