PSAT Writing and Language Question 685: Answer and Explanation

Question: 685

Which choice best expresses the mysterious nature of the asymmetrical distribution of the baryon charge?

• A. NO CHANGE
• B. large mystery.
• C. interesting and fascinating dilemma.
• D. unparalleled opportunity for knowledge.

Correct Answer: A

Explanation:

(A) By calling it a "singular" puzzle, the author expresses the remarkable nature of this puzzle. The word "tantalizing" indicates that this puzzle is extremely interesting yet challenging to solve. The other options do not express this same intensity.