I think it's an adverb bit don't completely trust me
Answer:
get mc donalds food it has alot of iron
Explanation:
A. Preposition: over; object of the preposition: bridge
A preposition shows the location of an object, it shows where something is. In this case the preposition is "over" as that is the only word that is showing 'where' something is and thus the car becomes the object.
The answer is C. climax.
Hope this helps :3