That market alone accounted for half of the volume and 40 percen

That market alone accounted for half of the volume and 40 percent of the value of the total US exports of shell eggs for food use. ( )
A、added to
B、shared with
C、amounted to
D、connected with
【正确答案】：C
【题目解析】：句意：仅这个市场就占据了美国食用全蛋出口量的一半及其总价值的40%。 account for在句中的意思是“占百分比”。选项中add to意为“增加”；share with意为“分配”；amount to意为“达到”；connect with意为“连接”。故本题选C 。