问题补充：
In recent years, the economy of our country rapidly.
A. is increased
B. has increased
C. increased
D. has been increased
答案：
A. is increased
(答案→)B. has increased
C. increased
D. has been increased
解析：句意：近些年，我们国家的经济有了飞速的发展。句中有In recent years近些年，谓语动词用现在完成时的形式，不需要用被动形式，故选B
