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。5.39.217.762 O# P. _- t. K( n( W
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,bttvb7 R& k' Q" v  w% w) }
而不會過了一會才作答，C發現D不知道答案時就表示
1 ?- M! ^- M' x  e+ F! r5.39.217.76C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 X9 \( S$ }" Y8 F, u4 Jtvb now,tvbnow,bttvbThat means D is not sure the answer by seeing one white and one black.
( E- y5 E! w* f) ^5 ]! X6 u. Stvb 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
3 _5 \$ {# h- M) T* M1 {) @tvb now,tvbnow,bttvb
4 w  |! S+ D6 H6 b$ \2 I- rC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?