Explanation:
A comma should follow a dependent clause when the dependent clause comes first in a sentence. A dependent clause is the clause which cannot stand alone in its meaning on the other hand independent clause refers to the phrase which can stand alone, though both have a subject and a verb.
The festival celebrated in Brazil with several days of parades, music and dance is the (C) Carnival.
The Carnival is celebrated every year, 46 days before Easter. It has its roots in the Roman Catholic Church, where individuals celebrated one last day of merriment, drinking and dancing before the beginning of Lent, a period of abstinence.
