howardc888

Answer is C.  Many people already explained it.  :)

susu_nel

D应该先答对。D可以看见B,C是什么颜色，他就会有1/2机会答对

我是步惊云

interesting questions

kammandang

1# wasimasterQ
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is it b??

roymak82

thanks

iii222

I think is C.
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Since A & B will have no way to know, and D did not know the answer.
4 W7 P1 X3 |: H+ ~
. ?2 O5 j+ s/ w7 u/ Y8 \! ?$ ^5.39.217.77This is a tough question for grade 1.  
$ C, y" d. T7 q( X& s9 ATVBNOW 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。2 k% H* p9 t$ I. Q- Y" h
I most likely cannot answer it within 5 minutes when I was that young.
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+ [6 A& q% o; GWow, really enjoy this question.  Thank you for sharing.

mirrorabc

Thanks for sharing

GN2160659

thanks for sharing

greenland

answer pls...

wa929

thanks for good question

edwin_8888

thank for sharing

24456430

看不到图片，做不了题目

shijin

總覺得這類型的題目 都是在考驗"邏輯思考" ^_^5.39.217.774 D- [/ t* D1 h5 }* }* w3 D

+ O6 x. G: [; y$ T公仔箱論壇偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則