Which of the following is TRUE according to the passage?
A、BamboopaperandXuanpaperappearedduringtheHanDynasty
B、InSilkRoadtrading,peoplekeptthepapermakingprocesssecret
C、Attheendofthe7thcentury,thepaperinventionappearedinEurope
D、Atthebeginningofthe7thcenturypapermakingreachedIndia,Nepalandothercountries.
发布时间：2025-08-13 21:02:04
