Although Rose is very busy she still a lot of time to her students in her spare time.A.

问题补充：

Although Rose is very busy, she still a lot of time to her students in her spare time.

A. spends

B. provides

C. devotes

D. offers

答案：

A. spends

B. provides

(答案→)C. devotes

D. offers

解析：句意：尽管露丝很忙，但是她仍然在业余时间花费许多时间奉献给她的学生。spend some time in doing sth花费时间做某事； provide 提供； devote some time to sb 把时间贡献给某人； offer sb sth提供某人某物。根据句意故选C。