Theroadconditionsthereturnedouttobeverygood,

来源：语文精选馆 2.16W

The road conditions there turned out to be very good, ___ was more than we could expect.

A. it B. what C. which D. that

解析：后部分是对前部分的补充.题意是 “那儿的路况结果很好,比我们原想的还好.”

what不是关系代词不引导定语从句，that一般不引导非限制*定语从句。it干扰*大，如果在逗号后加连词and，则选项A成立。