to teaching, as we know, contributes to his popularity with his students.
A. To devote
B. Devoted
C. Being devoted
D. Devoting
网友回答
A. To devote
B. Devoted
(答案→)C. Being devoted
D. Devoting
解析：句意：正如我们知道的那样，对教学的热爱使得他在学生中受欢迎。be devoted to sth. 献身于，热爱。分析句子可知缺少主语，动词短语做主语，要变成动名词being devoted to，故选C。