单选题 When a student has made a sentence“I borrowed a paper from Miss Li"，the teacher says，“Do you mean‘a piece of paper’?”Here the teacher is playing the role of a(n)__________．
【正确答案】 B
【答案解析】[解析]教师在此的角色是一个促进者、引导者。A项意为“控制者”；B项意为“促进者、引导者”；C项意为“顾问、评审员”；D项意为“组织者”。所以答案选B。