Question

but no matter what shape they took, their mouths were greasy and caked with the remnants of old meals. source: the sea of monsters in the sentence above, remnants has the same or almost the same meaning as: patterns appetizers nutrients leftovers

Explanation:

"Remnants" means remaining parts or traces. In the context of old meals, "leftovers" which are the remaining food after a meal, has a similar meaning. Patterns are designs, appetizers are pre - meal foods, and nutrients are substances in food for nourishment, none of which match the meaning of "remnants" here.

Answer:

D. leftovers