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。( E( @$ ~2 ?1 u
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，; p' u) z7 p& N; ]1 y) C% J- `% {
而不會過了一會才作答，C發現D不知道答案時就表示os.tvboxnow.com! ?7 t. i0 e5 m# f
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  O3 Y# I- Q9 B4 Oos.tvboxnow.comThat means D is not sure the answer by seeing one white and one black.4 {. A9 [  h: W# X- y* l' N- b
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
' m4 A. Y" ~" i4 L3 F% o, Itvb now,tvbnow,bttvbtvb now,tvbnow,bttvb1 t9 y& y* A4 C  ~! Q& x
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?