单选题 Growing economic problems were highlighted by a slowdown in oil output.
A. accounted for B. worked out C. made prominent D. taken for granted

【正确答案】 C

【答案解析】[解析] 本题中，highlighted的意思是“突出的”。四个选项中，made prominent的意思是“突出的”；accounted for的意思是“说明，解决”；worked out的意思是“可以解决，计算出，消耗完”；taken for granted的意思是“认为理所当然”。只有C项符合题意。