One key commodity, sugar,has rebounded impressively from the lows of last year. ( )
A、risen again
B、risen above
C、dropped off
D、fallen off
【正确答案】：A
【题目解析】：句意：糖这种主要商品的价格已经从去年的低谷中回升了。rebound意为“回升，反弹”。选项中rise again意为“再次上升，上涨”；rise above意为“克服，摆脱”；drop off和fall off均意、为“减少，降低”。故本题选A.
