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。tvb now,tvbnow,bttvb2 l  B( g  Q3 _+ ~0 ^- [- Y
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
/ \" N# p- T* L) [; g8 v8 d* h公仔箱論壇而不會過了一會才作答，C發現D不知道答案時就表示tvb now,tvbnow,bttvb4 H. t" m4 p& \" A5 @
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.
! d3 K5 a3 i; d+ W3 U5 @7 k- F( d$ C公仔箱論壇That means D is not sure the answer by seeing one white and one black.tvb now,tvbnow,bttvb. b8 s, j. A: R/ z) j( O' z
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
- d* Z8 s# [3 C* D# I% E& Ptvb now,tvbnow,bttvb5.39.217.77:8898! ^, O  Y6 w1 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?