your voice sounds quite different __the phoneA.on B.from为什么选A不选B不是有different from吗

正确答案是 on
your voice sounds quite different (on) the phone
on the phone 是固定搭配
实际上整个句子是
your voice sounds quite different on the phone (from the way it usually does)
从句 from the way it usually does
被省略了.
这种省略很常见.
希望帮到了你,