[单选题]The principle of authenticity in listening teaching means using authentic ( ) and contexts. ()93F答案窝(daanwo.com)-大学生作业答案及考资分享平台 Aimages93F答案窝(daanwo.com)-大学生作业答案及考资分享平台 Btopics93F答案窝(daanwo.com)-大学生作业答案及考资分享平台 Cplots93F答案窝(daanwo.com)-大学生作业答案及考资分享平台 Dlanguage