Choose from options: Determine if the sentence is true based on the text below:
Medieval Christians prayed.

Medieval Christians said the rosary as Catholics still do today: by praying five decades of Ave Marias (Hail Marys), each introduced by a Pater Noster (Our Father), while meditating on three series of five mysteries each.
Options are: a. Yes. b. It's impossible to say. c. No.
a.