【题目】The key to ________ the problem is to meet the demands ________ by the customers.
A.solving; makingB.solving; madeC.solve; makingD.solve; made
在线课程【答案】B
【解析】
考查非谓语动词。句意：解决问题的关键是满足顾客的需求。the key to中的to是介词，接动名词作宾语；demands与make之间是逻辑上的动宾关系，表示被动，用过去分词作后置定语，故B项正确。