Take time lo relax by listening to music reading a book or just spending some time alone.

问题补充：

Take time lo relax by listening to music, reading a book or just spending some time alone.

Relaxing allows you to your students with more energy.

A. return B. to return C. returning

答案：

解析：考查非谓语动词用法 “允许某人做某事”allow sb. to do sth. 要用不定式。