The price of agriculture products since the beginning of last year.
A. is going up
B. had gone up
C. went up
D. has been going up
网友回答
A. is going up
B. had gone up
C. went up
(答案→)D. has been going up
解析：本题考查时态。根据句中时间状语since the beginning of last year可知，用现在完成进行时，选D。