In Box 31 "Penance and the Mind Without", the Example Is Given

In Box 3.1 "Penance and the Mind Without", the example is given of how Penance was required by the Church during Late Antiquity to erase the burden of a person's sin. However, __________.

A) the act of penance had to be made inside a church in order to save an individual sinner.
B) the acts of penance had to be performed by the individual sinner themselves and the individual must have true and honest intentions behind their seeking forgiveness.
C) the act of penance had to be performed by a virgin woman that was hired to do so by the sinner.
D) the act of penance could be performed by anyone on the behalf of the sinner.