Answer: A topic sentence is a thesis if you didn't know, It mostly summarizes what the following article or paragraph you are writing.
Explanation:
A) The caustic, bitter remarks about the company CEO in the newspaper were obviously slanderous.
The word slanderous is defined as malicious and false. Caustic is defined as sarcastic which in turn can be false and similarly, bitter is defined as angry and hurt which in turn can be malicious.
I can not describe Hoopers character as revealed if I do not know what you are reading.