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。
0 g0 Y& _- f! x( T% z% J6 _1 A) i8 T5.39.217.76假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
" H: f2 K9 @2 n) D- `: ~( Ntvb now,tvbnow,bttvb而不會過了一會才作答，C發現D不知道答案時就表示
0 l3 m  D  N* @: d+ i% S( w公仔箱論壇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.
% z8 x: V% b- i+ ]& N6 [) j0 dThat means D is not sure the answer by seeing one white and one black.tvb now,tvbnow,bttvb: K5 K3 W7 U0 v& {
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
. `1 [' V+ X# G, K0 x9 H5.39.217.76
- h- O9 Y+ x% C1 b1 R% T8 Q( W; O公仔箱論壇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?