A had you tried B though you've triedC if you tried D unless you tried
热心网友
答案是A，had you tired,等于if you had tried，是表示过去时态的虚拟语气，用倒装句子可以省略if。翻译：当初你要是试一试的话，早就可以完成这项工作了。
热心网友
A
A had you tried B though you've triedC if you tried D unless you tried
答案是A，had you tired,等于if you had tried，是表示过去时态的虚拟语气，用倒装句子可以省略if。翻译：当初你要是试一试的话，早就可以完成这项工作了。
A