Answer:
Inform the audience of the author or origin of any information that is not common knowledge.
Explanation:
It would be hard to directly quote, during a speech, the pages or reference numbers of a source and not lose the audience's attention, not to mention that, if it's common knowledge, they may think that are being made look like fools.
This way you can quote authors and ideas or references whilst having a smooth speech.
The other option, arranging information in your own words, is plagiarism.
Answer:
C
Explanation:
True happiness comes from within ourselves.
Is a subject for other time
Interpretation of plot and character
The writer is introducing an idea by comparing it to a situation most people would understand or experience.