As a senior high school student, my days ____ classes and homework.

A．are taken up

B．are filled with

C．are full with

D．are taken over

苏霍姆林斯基总是尽量设法让（）跟新学的每一个新概念相配合。在某一时期所学的概念越复杂，他推荐给学生阅读的书籍就越有趣，越有吸引力。