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。2 H5 X% i7 X$ C" {" y
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
" v0 R! w8 {; y, m4 w9 h; gtvb now,tvbnow,bttvb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,bttvb3 G, Y7 m+ t0 Y, f- s/ Q
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.
: ]" t: J. M& e8 Swww2.tvboxnow.comThat means D is not sure the answer by seeing one white and one black.tvb now,tvbnow,bttvb9 G  y  |) E  I, b8 |6 x: 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
8 c7 s) m: ^5 m4 D1 _9 w
& Q+ j1 ~% R  ]( j! NC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?