This question is incomplete, here´s the complete question.
Which of these stories does a mother care for her human son in the form of a deer?
Paris
Romulus
Oisin
Octavian
Answer: Oisin
Explanation:
Oisin is a character of Celtic* mythology. He was a celebrated warrior and poet. Legend as it that he was the son of Finn, leader of the Fianna, and the goddess Sadb who was turned into a deer by an enchanter.
Finn raised Oisin and trained him to be a warrior. Oisin also had his mother´s eloquent speech, which made him a great poet as well as a great warrior.