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。. f1 W  y- S/ S- I1 a0 l2 N
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，0 V% k+ H) k& ~0 F3 y; l9 q) Z) q
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& O5 J$ Z0 G4 K* t( ~
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.$ W4 T$ U9 ^4 L
That means D is not sure the answer by seeing one white and one black.tvb now,tvbnow,bttvb6 T  v! R/ t9 j% F8 i7 S, x
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
' q4 f* Y$ F: B2 h5 @* @公仔箱論壇. K* y# K' ?' \* F
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?