Answer:
Explanation:
It certainly doesn't do D. She would never stand before other senators and say something that would make her look bad.
She is describing McCarthy (who was from Wisconsin) when she does not put him in a positive light. It is he whom she describes as knowing nothing suspect everything. So the answer is either A or C. She is not speaking of him positively. He truly was a disgrace to America.
There is nothing very technical nor provable in B
The answer is C