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。5.39.217.77$ p* |; ^" P# T
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，7 x$ s! S9 K6 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 i: d5 n( R, q: l! dtvb 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.公仔箱論壇8 `/ n7 E7 g+ k7 V, p8 L1 \6 o
That means D is not sure the answer by seeing one white and one black.
  K: E4 l' E3 G3 O公仔箱論壇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
/ M' l9 ]; y. Z0 p- \公仔箱論壇7 F! Y. G- K4 r9 |
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?