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。1 e4 S( l1 C$ ?4 R
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
$ S8 u0 ~9 j0 @而不會過了一會才作答，C發現D不知道答案時就表示
- s8 h+ t: M( k& X( hC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.1 v) |- m$ \  l. `3 S- t, \; A
That means D is not sure the answer by seeing one white and one black.
3 g) _3 g9 I: Z3 u3 S( mC 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& P- c2 c9 L  q( |7 [0 c) C0 R- Q

/ A/ \/ l+ t$ t- L9 LTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。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?