“DeShaun thought about buying the fifth Harry Potter book at the yard
sale, but he decided it would be redundant since he already had a full set."
In this sentence, the word “redundant" most likely means: *

Which of the following factors most consistently contributes to the speaker’s believability? a the age and experience of the speaker b the physical environment in which the speech is delivered c the sincerity, knowledge, and trustworthiness of the speaker d the position of the thesis statement in the speech