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。
& j5 H0 a, k! s, d. Ktvb 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，1 y9 I$ |) J1 B0 z" Z& F
而不會過了一會才作答，C發現D不知道答案時就表示
, u! G2 w9 A0 K, C, `% k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.
. [& g- b" L' X' j6 F: D  z! K3 J! \tvb now,tvbnow,bttvbThat means D is not sure the answer by seeing one white and one black.公仔箱論壇  d/ m4 [( A% M1 z
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
0 z+ I2 C8 L* \' ntvb now,tvbnow,bttvb
! U) }( z/ m0 W0 y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?