The answer to this would be verbal irony.
Irony is a discrepancy or an incongruence between what is anticipated and to what it actually is. There are three types of irony. One would be verbal irony which, as the name suggests, revolves around speaking or what is said. The other two would be dramatic irony and situation irony. Dramatic irony is usually used in plays, dramas, and the like that involves the audience's awareness. Situation irony would be more involved with what's happening around.
Answer:
I feel like the last one, “It was only then, I think, that I really appreciated how much our little family had meant to him.” Is it.
Explanation:
It's the only one I feel like had a deep connection to something that had to do with family, and that it meant a lot to him.
(D) Frederick Violience is exaggerated to promote distrust of humans and faith in their leader.
I believe the correct answer is expert testimony. An expert is a person who is qualified by education or experience (or both) on a particular subject, has specific knowledge that is validated and relevant. The expert gives an opinion, but this opinion is supported by facts. It doesn't rely on any kind of subjective estimation, or statistical knowledge, as the case may always be an atypical one.