一道六级题,请问涉及什么语汇?
Todaythepublicismuchconcernedabouttheway______.
A)natureisbeingruined
B)whichnatureisruined
C)onwhichtoruinnature
D)ofnaturetoberuined
答案A,请问省略了什么代词吗?which和that在这里有什么区别?谢谢.