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 _& `$ p3 |9 B- u假設C和B是同一顏色, 那D就會立刻知道自己的顏色，公仔箱論壇( o; C$ h7 F. m; N  `% p5 j, P
而不會過了一會才作答，C發現D不知道答案時就表示
2 `* |. x4 L" H1 x0 p' dC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.公仔箱論壇( }9 X3 q. Q# ]1 `  m
That means D is not sure the answer by seeing one white and one black.
9 F3 T* i! i+ w3 Y# l( p! b; BC 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
9 q- r/ {" L! G" i) O5.39.217.77:88987 j. D: f, m8 g2 m' C5 Y
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?