Select the letter of the sentence in which all of the commas are used correctly.
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Question

Quizplus · Accepted Answer

In this sentence, "a circular group of stones" is a nonessential appositive phrase that provides more information about Stonehenge. As such, it should be set off by commas, as in choice B. Choice A incorrectly omits the necessary comma before the appositive, while choice C incorrectly omits the necessary comma after the appositive.

Select the Letter of the Sentence in Which All of the Commas