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 t7 U. Z) L& K假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
- a* V4 a. {4 q7 B# H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
/ y. u& t7 Q1 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.
, o" n  n# b+ rThat means D is not sure the answer by seeing one white and one black.
/ T/ W) S1 z2 t! ]) w6 @' Mtvb now,tvbnow,bttvbC 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 & b3 O# }# X1 O$ X! j

$ D8 H9 f# N9 t  UC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?