单选题

It can be argued that the problems, even something as fundamental as the ever-increased world population, have been caused by technological advance.
A.It can be argued B.fundamental C.ever-increased D.have been caused
  • 1、
【正确答案】 1、C 改为ever-increasing    
【答案解析】[解析] 现在分词通常用来表示主动,而过去分词则表示被动。population与increase 间是主动关系,所以应改为ever-increasing。