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。
0 F% v4 Y+ k9 B8 c- M3 n) U" P假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
4 S% s# s1 q# S8 n5 _5 p4 {而不會過了一會才作答，C發現D不知道答案時就表示
, G' I6 X! Y; v( D/ G4 NC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.6 G1 A4 R( y5 ]
That means D is not sure the answer by seeing one white and one black.
$ K6 ^8 E& _  x0 {% f: Jtvb 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 tvb now,tvbnow,bttvb& k6 @% |4 y. U' b, G7 @, ]4 e) c
公仔箱論壇9 L% U2 r0 x' z, J3 V
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?