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。
/ f  `# k  X/ B6 k9 B* ~+ A5.39.217.76假設C和B是同一顏色, 那D就會立刻知道自己的顏色，9 p/ G0 I1 e9 _5 A3 P
而不會過了一會才作答，C發現D不知道答案時就表示公仔箱論壇3 z& ^# s4 Z" t8 g  R3 t" Q6 M& n) 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.
2 r( m+ x) R6 @1 y0 }! K7 A# aThat means D is not sure the answer by seeing one white and one black.5.39.217.76! W5 W4 D$ e1 t
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
! G6 D0 u& b/ q) j9 n+ F( V5.39.217.76公仔箱論壇7 g( i  D+ d9 B& \) M. V* e
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?