From which of these excerpts from beowulf can a pagan influence best be inferred?
a.) by god-god,/whose love grendel could not
b.) " sometimes they sacrificed tot he old stone gods,/made heathen "
c.)" to god, drop off/their dead bodies, and seek our father's peace! "
d.)" the monster relished his savage war/on the "

We  can infer pagan influences if there is a mention of more than one God, since the non-pagan religion here, Christianity, is monotheistic, one of the options does mention more than one God:

B.) "...And sometimes they sacrificed tot he old stone gods,/Made heathen vows..."

This is the correct answer! It actually specifically mentions the "old", that is pagan gods