题目内容：
In an English class, the teacher, firstly, plays the radio and asks students to listen to the tape and understand the dialogue. Then, the teacher asks students to read after the tape to imitate the pronunciation. Next, the teacher asks students to repeat the dialogue in pairs...What teaching method does the teacher use in this class?
ACommunicative Approach.
BTask-Based Teaching Approach.
CThe Audio-Lingual Approach.
DThe Audio-Visual Approach.
答案解析：