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。
' L$ ]: b+ q0 r* G# z5.39.217.76假設C和B是同一顏色, 那D就會立刻知道自己的顏色，5.39.217.76! c' Q, Z. F! \6 l& L# N
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6 a' i# B9 L" k7 e# J
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.- m5 _; |) y( o* S
That means D is not sure the answer by seeing one white and one black.5.39.217.762 |+ Z- ]  S3 \; v4 ]0 Z
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, O( s( t/ u' h& m

! z+ c! z! O, p5 NC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?