PSAT Reading Question 299: Answer and Explanation

Question: 299

Which choice from Passage 1 provides the best evidence for the answer to the previous question?

• A. Lines 3–5 ("They were…mass")
• B. Lines 14–19 ("The analysis…electron")
• C. Lines 33–35 ("By carefully…neutrino")
• D. Lines 40–44 ("Only by…better")

Correct Answer: B

Explanation:

B

(See explanation above.)