What are the five elements of public speech ?（ ）
A、Whoissayingwhattowhomusingwhatmediumwithwhateffects.
B、Whoissayingwhattowhomusingwhatlanguagewithwhateffects.
C、Whoissayingwhattowhomusingwhatmessageswithwhateffects.
D、Whoissayingwhattowhomusingwhatexpressionswithwhateffects.
发布时间：2025-11-18 18:09:51
