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。
) T0 i1 h# V! ~: F. F假設C和B是同一顏色, 那D就會立刻知道自己的顏色，os.tvboxnow.com: G. P/ a7 f" Y
而不會過了一會才作答，C發現D不知道答案時就表示os.tvboxnow.com8 _/ f/ n- t, V
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.
% {/ ^: ]" |4 t' L) e/ Dtvb now,tvbnow,bttvbThat means D is not sure the answer by seeing one white and one black., V! @4 [2 K. Z: f/ 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 0 K0 k: q" H8 c# I4 Q' L( s  B

. R2 t. k' v0 N4 A- |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?