Answer:
Jane told St. John and his sisters of her past that:
a. She is an orphan and a daughter of a clergyman.
Step-by-step explanation:
Jane learned that her parents got married by going against the will of her grandfather. Her father was a clergyman and was poor. Her grandfather disinherited his daughter after she married against his will. Both of her parents died after a year of their marriage and thus Jane was left orphaned.