The road conditions there turned out to be very good, was more than we could expect.
A. it
B. what
C. which
D. that
网友回答
A. it
B. what
(答案→)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一般不引导非限制性定语从句。it干扰性大，如果在逗号后加连词and，则选项A成立。