Select the word that best completes the sentence.

The professor's lecture was so ______ that even students with no background in physics could follow it.

Answer and explanation

Correct answer: D. lucid

  1. Step 1: The clause "even students with no background in physics could follow it" implies that the lecture was remarkably clear, transparent, and easy to comprehend.
  2. Step 2: The adjective lucid means easily understood and completely clear. Words like convoluted, turgid, and abstruse mean obscure or overly complex, directly contradicting the context.
Answer
lucid.
Why not the others: Convoluted describes intricate complexity that impairs understanding; turgid denotes pompous and congested expression; cryptic indicates concealed or mysterious meaning; abstruse describes ideas that are obscure and inherently difficult to grasp.

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