The sentence punctuated correctly is "Out of the twelve systems in the human body, doctors have ranked the top three: circulatory, muscular, and nervous."
<h3>How to use colon to punctuate</h3>
After taking a look at the answer choices, we can tell that this question aims to assess our knowledge concerning the use of colons to punctuate sentences. In this case, a very important rule to keep in mind that is that colons should be places after complete clauses.
That is why we can eliminate options A, B, and C. In these answer choices, the part of the sentence that comes before the colon is not a complete clause.
The correct option is letter D. Here, we have a complete cause - "Out of the twelve systems in the human body, doctors have ranked the top three" - before the colon.
With the information above in mind, we can conclude that option D is the correct answer.
Learn more about colons here:
brainly.com/question/12377437
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