According to the conversation, a good talk can be summarized asA．well arranged structures

According to the conversation, a good talk can be summarized as

A．well arranged structures plus clear and enjoyable talking.

B．a good start and a clear conclusion plus a detailed script.

C．a long time explanation plus indulged audiences.

D．a speech full of various anecdotes and analogies.

请帮忙给出正确答案和分析，谢谢！