A:Cu2+、SO42﹣、OH﹣、K+
B:Fe3+、NO3﹣、Cl﹣、H+
C:K+、CO32﹣、Cl﹣、H+
D:H+、Na+、Cl﹣、SO42﹣
--- What is his room like?
--- It's very messy. There're mountains of dirty clothes everywhere
下列有关“康德一拉普拉斯星云说”的描述正确的是( )