Consumer advocate: There is no doubt that the government is responsible for the increased cost of gasoline, because the government's policies have significantly increased consumer demand for fuel, and as a of gasoline has risen steadily.
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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