Critic: Rock music is musically bankrupt and socially destructive, but at least the album covers of rock LPs from the 1960s and 1970s often featured innovative visual art. But now, since the success of digital music LPs, rock music has nothing going for it.
What this question is testing
Your task
Find the assumption the argument requires in order for its conclusion to hold.
Common trap
Answers that would help the argument but aren't strictly required (sufficient, not necessary).
Winning move
Negate each choice — the right one breaks the argument when negated.
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