It is ten years I lived in Nanjing, so I know about what it is like today.
A. since; nothing
B. that; everything
C. before; something
D. since; anything
网友回答
(答案→)A. since; nothing
B. that; everything
C. before; something
D. since; anything
解析：since 后用延续性动词时意为“自从不作此动作开始” 自从我不住南京十年了，因此我对它现在一无所知。选A