The correct answer is (D).
Getting to the Answer:When there is no clear grammatical issue in the underlined text, check the answer choices for clues. The choices use different wordings of varying lengths; this question is testing conciseness. The phrase "that fall in between the range of" is an unnecessarily wordy way to say between twenty and forty degrees. Expect the correct answer choice to express this idea in fewer words.
(A) Incorrect: "that fall in between the range of" is unnecessarily wordy
(B) Incorrect: "that are within the range between" is unnecessarily wordy
(C) Incorrect: "somewhere between the temperatures of" is unnecessarily wordy
(D) Correct: "ranging from" is clear and concise while maintaining the intended meaning
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