i forget to bring a pen .would you lend me _____ A one Bthat C it D this

题目

i forget to bring a pen .would you lend me _____ A one Bthat C it D this

答案

选A
首先看B和D.很明显that和this有特指的意思,而题目说想借一只笔,没有说是哪一只笔,所以不选.C中的it也是特指.所以选A