倒装句问题：Hardly____to the lab____he set out to do the experiment.
问题描述：
倒装句问题：Hardly____to the lab____he set out to do the experiment.
选项：A,has he got;when B,he got;than C,will he get;than D,had he got;when
答
D,had he got;when
他刚到实验室就开始做实验了.似是记得老师说过，when不能与完成时态连用，请您解释一下。这是个习惯结构：hardly had sb done when ....刚/才/一。。。就。。。。原来如此！