PSAT Writing and Language Question 639: Answer and Explanation

Question: 639

Which choice most logically concludes the paragraph?

• A. NO CHANGE
• B. we should focus on space exploration using the most efficient means possible to maximize our understanding of the universe.
• C. we wouldn't have to waste money on pointless projects like the Mars One mission.
• D. there wouldn't be the slow, lonely death of astronauts on a distant world.

Correct Answer: A

Explanation:

(A) The paragraph discusses how strong public motivation to explore space will increase interest in it, citing the Mars One project as a good example. Choice (A) is the only option that correctly connects to the general theme of the paragraph to the specific example of Mars One.