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。公仔箱論壇: v8 U, ^% x: }( G: }& B& R& v
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
+ Y# J8 C  T  I( C8 M! l6 vtvb now,tvbnow,bttvb而不會過了一會才作答，C發現D不知道答案時就表示
0 h: M4 E3 Q) x7 RC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.* `# t3 g* M( V. @& L% r& n
That means D is not sure the answer by seeing one white and one black.
1 N, h6 T0 t" ^8 l9 p7 y7 MC 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
" s2 ~4 P$ h2 \/ `" o( Atvb now,tvbnow,bttvb5.39.217.77:88985 P4 Y' H: R# r3 M
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?