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。
$ h% |  r- _1 z* V( T7 X. e( v公仔箱論壇假設C和B是同一顏色, 那D就會立刻知道自己的顏色，) N1 ?" G1 _1 P$ s
而不會過了一會才作答，C發現D不知道答案時就表示
$ R. m8 |- D) z; H( {. @8 N7 ]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.
) e' E/ u. x) l& W' P- {$ m0 m$ V公仔箱論壇That means D is not sure the answer by seeing one white and one black.( u) V/ k8 u9 B
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 tvb now,tvbnow,bttvb6 U0 U. X* N. ]4 @: D: i

& i( G2 S0 L6 F) j3 r7 ^; ?, HC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?