There are multiple assumptions within the OA for this question, not to mention several more assumptions in the stem that go unaddressed.
1. Individuals with past criminal record are more like to have contributed to this crime increase.
2. The percentage increase in the murders is actually not only a proportional increase within the total crime number.
3. Guns are mostly used for the past murders and also in the murders in that 20% increase range.
Option B takes for granted that it is indeed
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1. Individuals with past criminal record are more like to have contributed to this crime increase.
2. The percentage increase in the murders is actually not only a proportional increase within the total crime number.
3. Guns are mostly used for the past murders and also in the murders in that 20% increase range.
Option B takes for granted that it is indeed
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