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。5.39.217.77- H6 ?, m1 H8 B' w& `1 u7 m7 |4 a: _
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，) x* R" ^( P, k2 x# B6 E: b1 S
而不會過了一會才作答，C發現D不知道答案時就表示
9 U) i" w0 p2 iC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( x( e! ^8 E5 _. d  L+ a
That means D is not sure the answer by seeing one white and one black.
" H) m; J7 y7 Dtvb 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 tvb now,tvbnow,bttvb& K/ \* ?- s3 m4 K* t. u. \
2 h) p+ p, q( 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?