Final answer:
The best correction to the sentence is: Children under ten should not have cell phones. This correction is the most concise and clear way of stating that young children should not be allowed to have cell phones.
Step-by-step explanation:
The best correction to the sentence is: Children under ten should not have cell phones. This correction is the most concise and clear way of stating that young children should not be allowed to have cell phones. The original sentence is wordy and redundant. By removing the unnecessary information, the correction becomes more direct and effective.
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