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。  B3 p' K5 X* n1 {
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，os.tvboxnow.com5 }5 a! M3 K8 |* a7 h2 z
而不會過了一會才作答，C發現D不知道答案時就表示3 x' a: }6 s$ p2 n
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.
1 o1 w' t: O- u. b1 ZThat means D is not sure the answer by seeing one white and one black.( X' M' R1 w6 y' N
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
$ U9 i' `8 o+ j5 w+ ?$ _" p! A% P/ K7 v! ]
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?