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。
* U! N9 n! `( R# U5.39.217.77假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
0 n  ?/ Z/ H1 X! A! o' a+ E, u5.39.217.77而不會過了一會才作答，C發現D不知道答案時就表示
4 K7 X/ r/ t  ^* |+ r, ]' Z( aC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.tvb now,tvbnow,bttvb9 k/ E& C2 |! D1 O! V# H
That means D is not sure the answer by seeing one white and one black.
/ H' Y& W3 d9 W3 MC 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
9 L" U; E. j) j  ^- h6 y! a公仔箱論壇
0 O7 U* |" w  s2 w2 C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?