麻烦各位英语达人来帮忙小弟看看这道题

题目

麻烦各位英语达人来帮忙小弟看看这道题
Ten minutes have been made full ____of ____English.
A.using;to study B.use;to study C.to use;to study D.use;studying
我们英语老师说选C,因为前一空使意动词make用了被动,所以后面的use前要还原to,后一空是不定式做目的状语.但小弟认为前一空因为use在形容词full之后,所以应该是名词,且在词组make use of 中use本身也是名词,所以没有还原to之说,应该选B.
求教各位英语达人给个详细点的解释

答案

是选B啊.你们英语老师神马水平.
make full use of sth.是固定搭配
这句话的主动态语句应该是
we have made full use of ten minutes to study English.
被动态就是
Ten minutes have been made full use of to study English
Study English 是目的状语.