'Before they ate a snack' is the correct answer, it is the adverbial clause of time. A cannot be correct because that is an independent clause, and adverb clause has to be dependent. B isn't a clause at all.
She believes they are an imperfect way of understanding a person’s expression.
The best answer for this question would be:
Passionate
emotion
The lines represent how passionate a person’s emotion can be
when they are chasing for the ideal of justice, it reflects how Romanticism
defines another form of passion through the poem.
