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。tvb now,tvbnow,bttvb  H0 b7 ~0 _, `5 p8 m. u: [/ ?6 I
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，9 H5 p' @  H, K3 _+ _
而不會過了一會才作答，C發現D不知道答案時就表示
( x0 y; }( `9 P6 z* qC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.9 W6 r; k3 ]. b
That means D is not sure the answer by seeing one white and one black.
. g* ^8 W$ d  a) P3 [4 V% _  K# ~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 tvb now,tvbnow,bttvb% b( q* ?$ T# @  b

% ^1 ^& f8 j6 H2 b2 N% T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?