How is the oratorio similar to opera? A They both feature arias, recitatives, and choruses. B They are both performed with scenery and costumes. C Their librettos are drawn from sacred themes. D ) Their librettos are drawn from secular themes.

**A They both feature arias, recitatives, and choruses.**<br /><br />Oratorios and operas are similar in their musical structure, as both include arias, recitatives, and choruses. However, unlike operas, oratorios are typically performed without scenery, costumes, or acting.