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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( m1 E# G: A" {: a' Gis it b??

roymak82

thanks

iii222

I think is C.
0 x( n" }" B1 w- F, dTVBNOW 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。0 ]- r( L. }! y5 _" |+ f# ^/ W
Since A & B will have no way to know, and D did not know the answer.
+ [' l* v* _( z8 STVBNOW 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。* k  L0 j- Z$ b! E" ~' l; q  a
This is a tough question for grade 1.  
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  Z+ e' d" E& z' t  _6 L5.39.217.77:8898I most likely cannot answer it within 5 minutes when I was that young.
* E% b: r5 s4 s) nTVBNOW 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。
! q; P% C2 k! J$ L7 n" `( O# g5 E, g公仔箱論壇Wow, 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" ^_^
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偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則