Over the past few years the cost of living considerably.A. has been raisedB. has risenC. w

问题补充：

Over the past few years the cost of living considerably.

A. has been raised

B. has risen

C. was raising

D. was rising

答案：

A. has been raised

(答案→)B. has risen

C. was raising

D. was rising

解析：考查时态和动词。Raise及物动词提高；rise不及物动词上升。本题的时间状语Over the past few year常与现在完成时连用；