by the teacher Bob has made great progress this term.A. EducatingB. Having educatedC. Edu

问题补充：

by the teacher, Bob has made great progress this term.

A. Educating

B. Having educated

C. Educated

D. To be educated

答案：

A. Educating

B. Having educated

(答案→)C. Educated

D. To be educated

解析：本题考查非谓语动词作状语。句意：在老师的教导下，他这学期取得了很大的进步。Bob是被教导的，且动作已经发生，故用过去分词。