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。
- O3 E6 F% L( J1 ~1 {3 ^7 ctvb now,tvbnow,bttvb假設C和B是同一顏色, 那D就會立刻知道自己的顏色，tvb now,tvbnow,bttvb* t6 V3 N* T# i3 P
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1 q( B( @+ x' ]& ~2 s
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.
9 i/ f2 u- W) n1 T9 f/ e8 jThat means D is not sure the answer by seeing one white and one black., u0 c' p3 g9 ]" ~
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,bttvb* C# ~% J6 G3 S
公仔箱論壇8 e; a7 F) O! A1 [( I( G
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?