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。5.39.217.766 u4 J0 C0 A- b/ p
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
5 n' w0 i/ f+ l  f而不會過了一會才作答，C發現D不知道答案時就表示
4 H5 ]; ^4 h6 b: sC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.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。, N, T( p% B: p" l' n, ]) A+ R
That means D is not sure the answer by seeing one white and one black.
9 Z" Y: D+ m. l1 m% P+ |5.39.217.76C 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 ! Q) R* k* i2 V7 r5 B! i; Q/ P

# ]: k/ A% g1 t  l+ _$ NTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。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?