she can't have written to me , or ___ the letter by nowA I'd get B I'll have got C I'd have got答案为C 原因是什么呢 一直不明白‘d是had 还是 would 什么情况'd可以缩略写?

问题描述:

she can't have written to me , or ___ the letter by now
A I'd get B I'll have got C I'd have got
答案为C 原因是什么呢
一直不明白‘d是had 还是 would 什么情况'd可以缩略写?