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。5.39.217.774 Z. b; u; r* k+ V8 ~& r+ ]3 b
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，公仔箱論壇3 k& x& k. U- p# @" O5 r6 ?: j
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, v. u8 t& P  n" j, s. R. i
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.5.39.217.77* Q6 K9 @. z2 Q1 G
That means D is not sure the answer by seeing one white and one black.tvb now,tvbnow,bttvb4 h. E0 s7 ^7 c; K+ D: V, D
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
3 _+ p4 S: C$ h/ Ftvb now,tvbnow,bttvb/ O$ w$ z  L3 A7 A+ ?
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?