\According to one ancient Jain text, the original group of Mahavira’s followers a. was composed mostly of women b. were primarily Buddhists c. believed that Mahavira was an avatar d. came from lands north of the Himalaya mountains

Correct

a. was composed mostly of women

Explanation:

Mahvira was the spiritual teacher and founder of the movement called Jainism. This school of spirituality preach and encourage its followers to observe the following; vows of non-violence, non-stealing, chastity, and non attachment to material things. Doing this would guarantee their spiritual liberation.

Inside the group of followers the acient records shows that, he Mahavira has the following composition of followers namely 14,000 muni (male ascetic devotees), 36,000 aryika (nuns), 159,000 sravakas (male lay followers), and 318,000 sravikas (female lay followers).

This shows that women are most of his followers.