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。$ \" Q( X6 w4 `4 C& x
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
$ e1 {+ r& O. I, N' T; D1 ]! J; g公仔箱論壇而不會過了一會才作答，C發現D不知道答案時就表示公仔箱論壇! t! @) f  P5 x- s4 X6 z
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.
% g6 W. X* _+ ^( y$ vThat means D is not sure the answer by seeing one white and one black.8 y5 x1 f9 g3 ?5 y9 \+ l& G! e
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/ B' E! i) d/ ]
$ t# z) d6 H$ A; _, C8 L
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?