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。
  X! Z3 m+ r4 K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,bttvb8 S5 Z1 A' D9 o7 s
而不會過了一會才作答，C發現D不知道答案時就表示: G0 l: ]+ T* @5 n9 s9 _& H) B
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.
* r% o& t1 \/ R3 |4 sThat means D is not sure the answer by seeing one white and one black.公仔箱論壇& t7 K7 H( M: H6 M; v
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 / _7 U. ?6 W9 h& ^) G

& v0 j" q& ]& x  T3 W, |+ f; c: b2 rtvb now,tvbnow,bttvbC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?