Question ID:PT38 S4 Q14 Passage:Reducing speed limits neither saves lives nor protects the environment. This is because the more slowly a car is driven, the more time it spends on the road spewing exhaust into the air and running the risk of colliding with other vehicles. Stem:The argument's reasoning is flawed because the argument Correct Answer Choice:DChoice A:neglects the fact that some motorists completely ignore speed limits Choice B:ignores the possibility of benefits from lowering speed limits other than environmental and safety benefits Choice C:fails to consider that if speed limits are reduced, increased driving times will increase the number of cars on the road at any given time Choice D:presumes, without providing justification, that total emissions for a given automobile trip are determined primarily by the amount of time the trip takes Choice E:presumes, without providing justification, that drivers run a significant risk of collision only if they spend a lot of time on the road