Over the past few years the cost of living considerably.
A. has been raised
B. has risen
C. was raising
D. was rising
网友回答
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；