Legal theorist: Only two types of theories of criminal sentencing can be acceptable—retributivist theories, which hold that the purpose of sentences is simply to punish, and rehabilitationist theories, which hold that a sentence is a means to reform the offender. A retributivist theory is not acceptable unless it conforms to the principle offense violate this principle, since repeat offenses may be no more serious than the initial offense.
What this question is testing
Your task
Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.
Common trap
Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.
Winning move
Predict what a right answer must do, then test each choice against the conclusion-evidence gap.
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