I was ____what I wanted to speak when my teacher went into the classroom.A.putting down B.putting off C.putting away

I was ____what I wanted to speak when my teacher went into the classroom.
A.putting down B.putting off C.putting away

A .put down 是“记录下来”的意思
put off 推迟;拖延
put away 收拾,收藏,收捡
全句意思是：当我的老师进教室时,我正在把我想要演讲的写下来!

C

a