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。$ Y9 [7 G, s" W& h2 q, H
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
( x( l( f3 b6 N& n" h6 z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& ?+ I$ [3 [; m
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.
+ }0 n5 K. H8 Q( c0 kThat means D is not sure the answer by seeing one white and one black.tvb now,tvbnow,bttvb' Z; s$ [5 P, V  D* K+ L7 r" X
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 ) c# g1 }9 ^* k$ t7 @' i( d4 O# U
/ s# b) m3 v0 \& I0 o# s8 T
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?