since Smith never disproved the claim that he threatened Lopez, he did in
Why this is right
The author does seem to be acting this way. She is arguing, "If Ms. L says he shouted threateningly at her and Mr. S never refuted (i.e. disproved) this claim, then he did threaten her, which sows she has a violent character." This is sort of a variation of the Famous Flaw Unproven vs. Proven False. The author is thinking, "Since Mr. Smith didn't prove he didn't threaten her, then we can conclude that he did threaten her." If you're mad at this answer, you're not crazy. It is a weird one. It might help to think about the distinction between disputing testimony and refuting testimony. It's possible that Mr. Smith disputed Ms. Lopez's account and said, "that's not true; I didn't threaten her." This lawyer may have said, "Can you prove you didn't threaten her?" And Mr. Smith wouldn't have that sort of evidence since it was just a He Said / She Said situation: two different accounts of the same event. It would be fair to say that Smith was unable to disprove Lopez's testimony, but that doesn't mean we should believe Lopez. (She probably can't prove her testimony is right, so it's a similar sense of taking someone's word for it). Ultimately, i order to understand what the test writers were going for, you kind of have to "hear" this stimulus as part of a courtroom drama, where the attorney thinks that saying "Smith never refuted this testimony" somehow counts as evidence in favor of the testimony being true.
Skill tested: Flaw · how this choice captures the argument's function is the move to repeat next time.