Patristic
“This second question is said to be asked again by the Apostles, because it is on the subject of which the Pharisees had asked Him, that is, concerning the state of marriage; and this is said by Mark in his own person.”
Catena Aurea: Gospel of Mark, as excerpted in the Catena Aurea on Mark 10:1-12
PD · J. H. Newman (Oxford, 1842) ↗