Great changes in the recent years.
A. are taking their place
B. have taken place
C. have been taken place
D. take place
网友回答
A. are taking their place
(答案→)B. have taken place
C. have been taken place
D. take place
解析：take place是不及物动词, 没有被动语态, 从in the resent years这一时间状语得知,这里要用现在完成时.