Answer:
The sentence that uses the rhetorical device known as juxtaposition is:
b. That actor is excellent at being completely awful.
Juxtaposition is a literary device that places two contrasting ideas or images side by side for emphasis or comparison. In this sentence, the contrasting ideas are "excellent" and "completely awful," which creates a sense of irony and emphasis on the actor's lack of talent.
Step-by-step explanation: