Hm, I think it's A. I'm pretty sure!
Slfash because that how it is Cuz
Im prety shure it wants you to find a similiar word to answer the questions.
HOPE I HELPED :)
Answer:
<u><em>WHEN GASOLINE PRICES ROSE</em></u>, many people used bicycles.
adverb clause
Explanation:
In English, an adverb clause is a set of words that is used to alter or qualify the meaning of an adjective, a verb, or a clause.