Digital PSAT Reading and Writing Practice Question 66: Answer and Explanation

Question: 66

When struck by a wave of electromagnetic radiation, every element ________ an excited state, in which the electrons surrounding the nucleus jump to higher energy levels.

Which choice completes the text so that it conforms to the conventions of Standard English?

  • A. enter
  • B. entering
  • C. enters
  • D. entries

Correct Answer: C

Explanation:

(C) The subject of this sentence, "element," is singular. Even though the author is referring to many different elements, she is doing so one element at a time. So the singular verb enters is needed. Choice (A) is plural, choice (B) is progressive, and choice (D) is a noun.

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