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。
3 j+ q, _$ N; t5.39.217.76假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
4 N  Z2 K& R& j$ ]9 l& u' p而不會過了一會才作答，C發現D不知道答案時就表示
+ X; r& i9 k, |& h" Ltvb now,tvbnow,bttvbC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.- o* A' U4 k% h* i$ J. d
That means D is not sure the answer by seeing one white and one black.2 Q+ `  I" H3 t, _( K
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 tvb now,tvbnow,bttvb* \8 i+ M) f. V% `& D
9 |3 `7 x' U, }2 D
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?