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。2 x) m1 t6 u8 m# l4 o; ?8 q2 L
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，8 L* i  g( ^3 A& |1 G0 v
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- W: n% c4 I- n1 r2 I
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.tvb now,tvbnow,bttvb/ r) o  d% f$ E" Q1 d
That means D is not sure the answer by seeing one white and one black.os.tvboxnow.com( G9 x2 ^# s4 L# h& C) ]* c( K- Q+ `
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$ \3 o0 ~) D% `3 `: I5 [
公仔箱論壇6 }9 S! q1 ]* ]4 ~5 }
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?