comparing sources

Question

What is the strongest distinction between the passages?

1. AA proves every apartment has elevated radon; B disproves the claim.✗ Incorrect

   Neither passage provides a result for an apartment.

2. BBoth passages provide actual test results for the resident’s apartment.✗ Incorrect

   The resident explicitly lacks results, and the association describes a testing method.

3. CA identifies a way to obtain a measurement; B reports an impression and a missing result.✓ Correct

   The association discusses testing, while the resident describes appearance and a lack of results.

4. DA relies on the lobby’s appearance; B describes how to purchase a test.✗ Incorrect

   The association does not use appearance as its evidence.

Answer

C. A identifies a way to obtain a measurement; B reports an impression and a missing result.

Rationale

The association discusses testing, while the resident describes appearance and a lack of results. The question asks what follows from the passages, so claims that go beyond the information provided are unsupported.