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。tvb now,tvbnow,bttvb4 f. o( y  s5 A! v& m) \7 F
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，公仔箱論壇/ j- T- O- A! O7 d1 Y" U$ Y9 }+ k
而不會過了一會才作答，C發現D不知道答案時就表示tvb now,tvbnow,bttvb! C$ ^# s( ^: E
C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.
. G$ a* D* i' f0 E  v/ I& d, v, o% ltvb now,tvbnow,bttvbThat means D is not sure the answer by seeing one white and one black.5.39.217.776 N0 o. {3 `. F" N2 Z* D
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 5.39.217.77/ P3 |% e) A$ C! d& S# E% s

# _: G3 I7 g1 ^1 z7 u! |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?