[单选题]Which of the following is right in conducting a dialogue?Kxa答案窝(daanwo.com)-大学生作业答案及考资分享平台 AAllow participants to introduce themselves before starting.Kxa答案窝(daanwo.com)-大学生作业答案及考资分享平台 BTry to control the dialogue.Kxa答案窝(daanwo.com)-大学生作业答案及考资分享平台 CAsk yes-no questions.