Which is most likely a reason why most reptiles fail to give their offspring parental care after laying the eggs?

The eggs have tough shells that provide protection until the eggs hatch.

Explanation:

They are able to walk about on their own, but they are defenseless against egg eaters. Even so, most reptile progenitors contribute no attention to their hatch-lings. In fact, most reptiles don't even take custody of their eggs. ... They may protect their nest from predators and maintain the hatch-lings move to the water.

i'm assuming that it's c.) red bank..