A free, expert breakdown of this official LSAT Logical Reasoning question.
Save & drill this skill — build targeted practice sets from questions like this one
Video walkthroughs — watch every question solved step by step
81 official LSATs — as questions, timed sections & full-length tests
Find the choice that makes the argument's conclusion less likely to be true.
Answers that look negative but attack a claim the argument never relied on.
Find the assumption the argument depends on, then pick the choice that undermines it.
Which one of the following, if true, most strongly indicates that current enforcement of automobile-emission standards might be ineffective in controlling overall pollutant levels?
As an emission-control technology approaches
2% picked this
The testing devices used must
8% picked this
The adjustments needed to make
Why this is right
Answer C is correct.
Skill tested: Weaken · how this choice captures the argument's function is the move to repeat next time.
86% picked this
Most car owners ask their
2% picked this
When emission standards are set,
2% picked this
Continue the review in LSAT Lab
Save this question, watch the video walkthrough, and drill similar questions in your LSAT Lab account.
Turn this review into a targeted study plan.
Save this question, drill more like it, watch the video walkthrough, and track your progress in your LSAT Lab account.