Between scenes of an opera, the orchestra may play A an overture. B a symphony. C sinfonias. D ) an aria. )

The correct answer is C) sinfonias.In opera, a sinfonia is an instrumental piece played by the orchestra between scenes or acts. An overture (A) is typically played at the beginning of the opera, a symphony (B) is a separate orchestral composition not specifically tied to opera, and an aria (D) is a vocal solo performance within the opera.