The Buddhist women monks and learners were hailed as:

Correct option is D

The Buddhist women monks and learners were referred to as Bhikshunis. The term Bhikshuni refers to a female Buddhist monk, and these women played an essential role in the spread and practice of Buddhism, often living in monastic communities and following the rules and vows of the monastic order.

1. Bhikshunis were female monks in Buddhism, who followed the same spiritual discipline as their male counterparts, the Bhikkhus.

2. The establishment of the Bhikshuni Sangha allowed women to fully participate in Buddhist monastic life.

3. Sanghmitras were women associated with the Buddhist community, but they were not monks; the term refers to those who support the community or share in religious duties.

4. The role of Bhikshunis was recognized by the Buddha in the Vinaya Pitaka, where specific rules for female monks were outlined.

5. The Bhikshuni Sangha is distinct from the male monk community (Bhikkhu Sangha) but plays a critical role in the propagation of the Buddha's teachings.

6. Viharikas refers to those who dwell in a vihara (monastery), which could include both monks and nuns.