Respuesta :
I think the Answer is A. Before
Hope this helps
~A.W.E.S.W.A.N♥
Answer:
The word "before" is a preposition.
Explanation:
Before works as a preposition, an adverb and as a conjunction, it is a preposition of time and place, the other options are verb, am two nouns, packed is a past participle conjugation of pack, the other two options are nouns that refer to an object thing or situation in the sentence, option A is the only preposition.