What is the proper way to clarify a subject that your audiences know little about?()(单选2分)
选项：

A:You can use simple and clear language and some rhetorical devices(正确答案)
B:You can use some very technical terms(错误答案)
C:You can use lots of gestures(错误答案)
D:You can use casual and random language to clarify(错误答案)