【题目】Thanks to the “sugar tax”， food factories have reduced sugar in their products, ________ about 45 million kilograms of sugar.
A. to save B. saved
C. saving D. having saved
在线课程【答案】C
【解析】
考查非谓语动词。句意：由于“糖税”,食品工厂在食品中减少了糖,节省约4500万公斤的糖。句中主语food factories和动词save是主动关系，用现在分词的一般形式作结果状语，表示现在的情况。故选C.