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。公仔箱論壇# q" N) u& f! p1 Z6 [
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
& Q& |5 y* N* Q4 ^而不會過了一會才作答，C發現D不知道答案時就表示
& i4 C$ [- }, n# jC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.
+ k3 i; b1 v$ K2 w8 l. o6 |- Ctvb now,tvbnow,bttvbThat means D is not sure the answer by seeing one white and one black.
3 t0 @; w+ g  y- ~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
: E% g+ J/ j/ e$ i8 Z2 E# }0 w公仔箱論壇
' a) M1 k7 [1 |2 H9 j8 c5 c8 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?