Answer:
She became interested after talking to a Catholic priest, who introduced her to all concepts about Catholicism and Christianity.
Step-by-step explanation:
Jean Donovan was an American missionary in El Salvador. She was a Christian and was part of the Catholic Church, even though she came from a family that was not part of that religion. However, Jean went on an exchange in Ireland and met a Catholic priest who talked a lot with her about faith in God, Christianity and Catholicism. The conversation was fascinating for Jean, which made her have a strong interest in Catholicism, converting and becoming a missionary later.