Hewasalone.=Hewas.A.onhisownB.withhimselfonone'sown=alone吗?

Question

He was alone.=He was _.A.on his own B.with himself
on one's own=alone吗?

Answer 1

A
on one's own 是词组.记住.
问题补充：这是新概念英语第二册（最新版本）上的啊,还不够权威吗?
权威啊,答案是对的啊.这是个词组,你必须记住.
on one's own=alone吗?
对的.on one's own = alone (by oneself)