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
Two types<span> of </span>prewriting<span> are: freewriting and researching. When freewriting you write any and every idea that comes to mind when </span>prewriting<span>researching is another name for </span>prewriting<span> you get information from outside sources. hope that helped</span>