It is used to show when you had that song before
The first answer. It has an argument that they are defending.
Answer:His paintings exuded a sense of veracity not otherwise found in many contemporary works.
Explanation:Examples of sentences with adverb clauses, with explanations: Before I go to bed, I brush my teeth. The subject of the dependent clause is "I" and the verb is "go". The subordinating conjunction is "before"
The option which is a fragment in this paragraph is the first one - Because frustrated students have been pushing for renovations so their gym can accommodate larger crowds.
It is a fragment because it is incomplete - it cannot stand on its own.