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。6 h4 L+ ?% T1 U9 l3 ~0 a
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
+ y  B3 J, \' t  Y  L6 g而不會過了一會才作答，C發現D不知道答案時就表示
( \# m0 g1 X0 v2 I1 L( ~tvb now,tvbnow,bttvbC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 Z( {  \$ q& v9 u  E1 g# wtvb now,tvbnow,bttvbThat means D is not sure the answer by seeing one white and one black.. _2 Z' C$ D& Q! J
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
6 e: ]0 k' ]* f6 I8 |% n公仔箱論壇: n. O9 W3 ^. I3 y! d9 C# S
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?