This depends on the sentence given. Prepositions are words that associate an object to a certain location or position. Examples of prepositions are: on, after, below, by, during, and many more. If you want to use the word 'opportunities' as the object of your preposition, an example would be as follows:
Mary is hopefully praying for good luck as she takes on opportunities. The preposition is 'on' and the object of preposition is 'opportunities'.
Answer:
C. Brutus was overcome with himself, and so would not honor any of his friends.
For Brutus only overcame himself, And no man else hath honor by his death. Free from the bondage you are in, Messala. The conquerors can only make a fire of him, because only Brutus triumphed over himself, and no other man gets to triumph in his death.
Proofreading before revising will help in making revising easier.
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C. the author's choice of words
you can tell the point of view by the words used, like "I, me, my" would be first person, "they, them" would be third, etc.
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