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。
" ^0 B& d6 V( v$ u+ W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# L/ w1 m9 u. [6 C$ e
而不會過了一會才作答，C發現D不知道答案時就表示
, T+ ?. i! ^' e: B% ^1 i/ WC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.公仔箱論壇7 D$ a( ]7 Y5 o, l  F" P
That means D is not sure the answer by seeing one white and one black.
0 @4 X7 H+ [" r: ?tvb now,tvbnow,bttvbC 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
: I8 T" m3 @  U1 M公仔箱論壇
( J6 |; }( X$ F( ]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?