Thinking that the students were having an evening class, the teacher left the classroom, _____.A.slowly and gentleB.slowly and gentlyC.slow and gentleD.slow and gently
参考答案：
B解析这题考察副词做状语，修饰动词left the classroom，句意是：认为学生在上晚自习，老师轻轻地慢慢地离开了教室。选B。
