Answer:
<u>(D) In casual conversation, people most readily admit to having a character flaw only when that admission causes them little psychological discomfort</u>.
Explanation:
An assumtion necessary to the argument is that is is possible that a person admit in front of another it's own flaws, when of course that flaw doesn't cause much discomfort in the person admiting it.
Krogstad is going to try to take his job back from Mrs. Linde, and the audience knows it, but Mrs. Linde does not know that this will happen.
This evidence is I am pretty sure on page 157, it also describes Judge Taylor
3: however
4:for instance
5:moreover