---do you have papers left?---there's only one left,do you want____ A.it B.one C.them D.another ---
问题描述：
---do you have papers left?---there's only one left,do you want____ A.it B.one C.them D.another ---
答
there's only one left,do you want____ A.it
已经明确说只有一张剩下,回答是 it （是这一张的意思）