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。9 K0 g# R8 T3 x. K$ S- u* _
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
. s5 B% |' _& ?而不會過了一會才作答，C發現D不知道答案時就表示& b7 l% {3 e5 [
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% s9 E  X( |8 P0 B7 Q* R
That means D is not sure the answer by seeing one white and one black.
' L+ y( F3 w3 ^' A* Q+ Pwww2.tvboxnow.comC 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   l+ \7 s: E; g6 F! z

6 }* ~3 {  T" e( V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?