The correct answer is "object complement", because it follows a direct object (in this case "the normally flat land") and renames it or states what it has become. It cannot be "predicative nominative" because "hilly" is not a noun, "direct object" here is "the normally flat land", and a predicate adjective follows a linking verb (for example, She is PRETTY.) So the only option left is "object complement".
It shows what can help you or shows whats important
Answer:
Adjectives are; fragile, narrow
Carefully is an adverb. If heavyset comes before a noun, it is also an adjective, but it looks like there are some typos here.
Good luck, friend! I did what I could
"the cats fur is as smooth as silk is a metaphor