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。8 D6 v; @" r$ |$ @& Z: f
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，3 R  {% a4 }8 k" s% U7 j7 k. u" q
而不會過了一會才作答，C發現D不知道答案時就表示
9 z0 X. F5 N4 ~& Q5 j% Y# NC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.公仔箱論壇' J3 B+ F! z; c1 n) c, T, W* O
That means D is not sure the answer by seeing one white and one black.tvb now,tvbnow,bttvb# ]7 S! O1 B" `& y( `0 j
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 2 W) r$ I# T. u4 p9 v8 t+ |1 F3 k

8 E* o4 e2 l8 l5 c: kC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?