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。www.tvboxnow.com1 o4 I2 p( z" K/ N( z
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，www.tvboxnow.com: `# W/ A- O; R/ ]
而不會過了一會才作答，C發現D不知道答案時就表示! N( s( q5 Q6 h
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.* |/ L8 U* ~% d
That means D is not sure the answer by seeing one white and one black.( e5 w8 {5 l8 Z, Y! i" F' B
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 www.tvboxnow.com( t; k2 X- C9 L1 D

! l8 k6 ?  E8 O& }) i' Awww.tvboxnow.comC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?