I was talking with my mother on the phone when we were ____ suddenly.没看懂84、I was talking with my mother on the phone when we were ____ suddenly.A.cut down\x09\x09\x09B.cut off\x09\x09\x09\x09C.cut across\x09\x09\x09D.cut back这句话的意思究竟要表达什么，怎么没看懂？我和我妈妈在聊电话当我们突然被打断？有谁能翻译下吗为什么要用when，看起来很不通顺的样子。

I was talking with my mother on the phone when we were ____ suddenly.没看懂
84、I was talking with my mother on the phone when we were ____ suddenly.
A.cut down\x09\x09\x09
B.cut off\x09\x09\x09\x09
C.cut across\x09\x09\x09
D.cut back
这句话的意思究竟要表达什么，怎么没看懂？我和我妈妈在聊电话当我们突然被打断？有谁能翻译下吗
为什么要用when，看起来很不通顺的样子。