Choose the sentence that is grammatically correct from the options provided. (A) The enigmatic nature of dark matter continues to baffle cosmologists, as its properties remain elusive.
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Answer:
Choose the sentence that is grammatically correct from the options provided. (A) The enigmatic nature of dark matter continues to baffle cosmologists, as its properties remain elusive. The enigmatic nature of dark matter continues to baffle cosmologists, as its properties remain elusive..
