选哪个?为什么?最好详细点如题

问题描述:

选哪个?为什么?最好详细点如题
Jane,your backpack is broken.Well,I am going to buy a new ( )next Sunday.A it B this C that D one

简,你的背包破.好吧,我要去买一个新的()下星期日.这是一个