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。
7 u& k* @9 I. K" _+ b& \tvb now,tvbnow,bttvb假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
- B7 S  q- `5 o. H公仔箱論壇而不會過了一會才作答，C發現D不知道答案時就表示公仔箱論壇" P5 @& [/ q% u9 x
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.
5 x7 N! F6 q& S/ Q3 y% e8 Ytvb now,tvbnow,bttvbThat means D is not sure the answer by seeing one white and one black.
6 w/ \' Q/ v5 D  n% K7 P公仔箱論壇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
7 \; P1 C: }" m) N7 V6 v. D
$ m) u& t3 x3 M0 {5 l, _& QC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?