Question

Vernacular literature is
a.
literature written in Latin.
c.
literature written in the language people speak.
b.
poetry and rhyming songs.
d.
literature that teaches a moral lesson.

Answer 1

i would say literature written in the language people speak.

Answer 2

Vernacular literature is literature written in the vernacular—the speech of the "common people". In the European tradition, this effectively means literature not written in Latin.