Answer :
The sentence that uses the prepositional phrase is the sentence "Some editorial exposing government corruption were leaked to the public." Therefore, the correct answer is option D.
A prepositional phrase is a type of phrase that contains a group of words that have a preposition, its object, and the words that modify the object. Usually, the object is either a verb or a noun.
In the sentence above, "Some editorial exposing government corruption were leaked to the public.", the modified word is "editorial." Instead of just a simple object, it specifies that the editorial that the speaker/writer referring to is the editorial that is exposing government corruption.
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