the boss took no notice of the suggestion given bu the clerk that the new technology_____the problem

题目

the boss took no notice of the suggestion given bu the clerk that the new technology_____the problem.
A be applied to solve B be applied to solving C applies to solving D applied to solve
the answer is B,tell me why and translate it ,thanks

答案

老板没有注意到职员提出的应用新技术去解决难题的建议.首先,be applied to doing sth.被应用做某事,to在这里是介词,所以后面接动词ing形式,排除A和D.that之后是个虚拟语气,完整的应该是the new technology should be...