Of the following experiences, which one made the greatest suffering to the author?





A) She shared a private English teacher with her two friends.


B) She was moved to the advanced group in the first high school year.


C) She was sent back to the group for beginners.


D) She got Michal to help her in English.
出自:河南城建学院-道路桥梁与渡河工程-大学英语4