Every minute is made full use of our lessons.
A. studying
B. to study
C. study
D. being studied
网友回答
A. studying
(答案→)B. to study
C. study
D. being studied
解析：此题容易误选A,认为动名词作介词的宾语。其实此题应选B，此句是被动句，转换成主动句就成为
we make full use of every minute to study our lessons.。是不定式作目的状语。