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。
& C5 I7 ~7 I. Z" B- i) e3 ]3 ~假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
: Y  k, p7 X! Mwww2.tvboxnow.com而不會過了一會才作答，C發現D不知道答案時就表示www2.tvboxnow.com7 V. S6 G+ V2 j& p
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 N1 |1 N, l% L5 H: @+ @That means D is not sure the answer by seeing one white and one black.公仔箱論壇1 {6 ]4 |# R3 W# G& N. I
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 www2.tvboxnow.com; O4 B3 }+ d/ p4 ]6 `: f* d

- O/ v- X! |2 OC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?