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。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。4 G2 @2 M  D5 U& s) \) N/ X. [
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
1 V, t# Q  s# W4 k" y5.39.217.77:8898而不會過了一會才作答，C發現D不知道答案時就表示
' l9 ], u  g: Z& u' P# K2 L/ u% m) 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.
3 K8 g( A' W' {That means D is not sure the answer by seeing one white and one black.$ h2 u0 l; _; ]* @
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
+ P+ [7 C7 q3 X2 R' q( YTVBNOW 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。
1 O! n! t' R4 ]tvb now,tvbnow,bttvbC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?