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。
* w' n1 \; j$ M' z7 r/ o! o假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
" ?/ J+ L$ Q$ s而不會過了一會才作答，C發現D不知道答案時就表示
) k6 S/ p  H( G$ ^9 D2 P6 e7 G7 L3 E- kC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.8 X0 _/ u$ w9 c. v9 f' R) }7 F
That means D is not sure the answer by seeing one white and one black.
2 _+ y8 N# n1 z2 b) I公仔箱論壇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
7 n4 ~* O" J( d8 O8 w0 J8 i
/ p( b" P3 Q) k  Z% P" H( x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?