What are creteria of choosing a topic? A: your own interest B: your aptitude C: the familiarity to the topic D: easy access to enormous references E: value of study

Which of the following creteria should a speaker use to evaluate the quality of the supporting materials? A: The evidence should be relevent to the point. B: The evidence should be recent. C: The evidence should come from reliable sources. D: The evidence should be interesting.