Read the sentence. theodore roosevelt the twenty-sixth president of the united states was the youngest president to ever hold office. which revision of the sentence is now properly punctuated? theodore roosevelt, the twenty-sixth president of the united states, was the youngest president to ever hold office. theodore roosevelt the twenty-sixth president (of the united states) was the youngest president to ever hold office. theodore roosevelt the twenty—sixth president of the united states—was the youngest president to ever hold office. theodore roosevelt, the twenty-sixth president of the united states was the youngest president to ever hold office.

The revision of the sentence that is properly punctuated is the following one: Theodore Roosevelt, the twenty-sixth president of the United States, was the youngest president to ever hold office.  The NP "twe twenty-sixth president of the United States" is an appositive.

Appositives are nouns or noun phrases that are placed next to another noun to rename it or to describe it in a different way. They are usually offset with commas, dashes or brackets. What is more, the appositive in the example is non-restrictive because it is additional information and can be dropped without any loss of meaning. This is why it is offset with commas.

A) Theodore Roosevelt, the twenty-sixth president of the United States, was the youngest president to ever hold office.

Explanation: From the given options, the revision of the sentence that is properly puntuated is the corresponding to option A, because it uses commas to introduce and conclude a subordinate clause (a phrase that doesn't have complete meaning on its own). The independent clause is "Theodore Roosevelt was the youngest president to ever hold office" and the subordinate clause is "the twenty-sixth president of the United States" and it should be between commas.

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explanation:

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