It's used in indirect kind of way.
The answer is: [C]: <span>a preposition followed by a noun, pronoun, or phrase.
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Note: Answer choice "A" is incorrect.
A 'prepositional phrase' ALWAYS begins with a preposition.
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Answer choice "B" is incorrect. A 'prepositional phrase' does, in fact, always, start with a preposition, but does not HAVE to be followed by ONLY a [noun or pronoun].
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Explanation:
I play football.
in passive voice
Football is played by me.
I am playing football.
in passive voice
Football is being played by me.
$5 + $0.85g < $15
g < 11.76
You have enough money for 11 games.