Digital PSAT Reading and Writing Practice Question 180: Answer and Explanation

Question: 180

Some will contend that the true problem of retrosynthesis lies not in the end-products, but rather in the byproducts and novel synthetic intermediates required to artificially reproduce biochemical compounds. It must be acknowledged that this is indeed a valid concern. The design of stable synthetic intermediates not found in nature has at times led to unforeseen consequences. Methylenedioxymethamphetamine, _______ is a dangerous and highly concerning drug of abuse among youth.

Which choice completes the text with the most logical transition?

  • A. on the other hand,
  • B. in contrast,
  • C. for example,
  • D. due to this,

Correct Answer: C

Explanation:

(C) The previous sentence makes a broad statement about the unforeseen consequences of synthetic intermediates design, while the final sentence gives a specific elaboration about one of these consequences. Thus, "for example" is the only logical possibility.

All content of site and practice tests © 2022 Jack.
Quick View

PSAT Practice Tests

More Information