I believe the answer might be D. Hope this helps!!! Sorry if it doesn't!
Answer:
C
Explanation:
The opposite of public is private
For example Mrs. Bennett claims Mr.bennet has no regard for her Nerves when in reality he claims that he is well aware of her Nerves meaning that he agrees she is crazy
Entertaining
At your aunt's retirement party, you would want to give a fun, entertaining speech incorportating a story about your aunt.
At a retirement party, you don't need to persuade anyone to do anything, since you knew about the retirement party, you would have planned a speech (so it would not be extemporanous and done spontasiously) and there's no need to inform anyone of anything at a retirement party.