That market alone 【accounted for】 half of the volume and 40 per

That market alone 【accounted for】 half of the volume and 40 per cent 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品蛋类出口量的一半及其价值的40%。account for 意为“占.....百分比“；选项中add to 意为“增加；“share with ”意为 与......分享；amount to 意为 “达到”；connect with 意为 连接。故本题选C。