I think the answer is : B. preposition: through; object of the preposition: window
preposition describe a relationship between words in a sentence and the object of the preposition is the head noun within the noun phrase or the noun clause
hope this helps
Percy stays with his mom out on the coast line and there is a hurricane like storm happening when Percy wakes up. Grover is there with out his pants revealing that he is a satyr. They get chased all the way to Camp half-blood by a bull which "kills" Percy's mother. He kills the bull and saves Grover
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Since it gives it a human attribute it would be Personification