Digital PSAT Reading and Writing Practice Question 286: Answer and Explanation

Question: 286

C. diff bacteria in large amounts produce toxins that attack and weaken the lining of the intestines and cause the patient to fall seriously ill. ________ C. diff's resistance to medical intervention, it is very difficult to eradicate and can lead to fever, diarrhea, and severe abdominal pain.

Which choice completes the text with the most logical transition?

  • A. Of course,
  • B. Because of
  • C. Subsequently,
  • D. In contrast to

Correct Answer: B

Explanation:

B. “Because of” properly shows a cause-and-effect relationship between C. Diff's resistance to medical intervention and the difficulty of eradicating it. None of the other options shows cause-and-effect.

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