on the phone的同义词

题目

on the phone的同义词
Mary was invited to Jim's party in his new house on the phone.
其中on the phone 的同义词
A.on the line B.by phone
选哪个?

答案

B. by phone
通过电话,玛丽被邀请到吉姆的新居里参加派对.
on the line 在被翻译成“正在线上”的情况下可以跟 on the phone 通用,但这句话里on the phone 是被翻译成用电话,通过电话的.