63twc

D?

花吟双

答案是什么？？

jj328

C. will know that

nightrider

thanks.

Darkwolf

I would say C, since if D saw B & C wears the same color, D would know about his hat color and voice out.  But since B & C wears different color, D cannot tell the color of his own hat.  C did not hear D speak out, then C knows B is wearing a different color hat from himself.

emoom

thanks for sharing

tax1

Thanks for sharing!

briankoay

我真想知道答案呢 !

wilsonneo

thanks for sharing

fshit

thanks for sharing

klyriz

Thanks For Your Sharing~

haie89

i guess B

kit13538

thank you~~~

ultimate[r]

see see

rewai

真慘情，然國小的問題也答不到。