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。
+ }, e3 U; \0 z5 u' j: J# F8 `tvb now,tvbnow,bttvb假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
: Z$ a) U  Q" Z/ B6 T0 |9 }而不會過了一會才作答，C發現D不知道答案時就表示
3 \! U4 i0 q9 otvb now,tvbnow,bttvbC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.5.39.217.77- p1 \: b$ ]+ ?8 P+ [/ s) ?
That means D is not sure the answer by seeing one white and one black.+ d% d3 E3 B" 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
' y% X' W' W+ n! x( @+ ]: |) BTVBNOW 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。tvb now,tvbnow,bttvb& B2 A3 J6 N2 F: p2 X) X
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?