Answer: Plays dealing with the lives of the saints were known as A. miracle plays.
Explanation: Miracle plays was one of the three types of plays performed during the Middle Ages. They were focused on telling the lives and miracles of different saints, such as Virgin Mary and St. Nicholas. Moreover, until the 13th century, miracle plays were performed during church services. Examples of this type of plays are St. John the Hairy and Le Jeu de Saint Nicolas.