Answer: Ran over
No problem I just want to help :)
No, "the" is not a preposition as it does not describe a place in which something is. "The" would be called an article, like "a" or "an".
The answer to your second question, therefore, is D. Joanna hid the gift behind the couch, as "behind" would be the preposition because it describes where the gift is.
I hope this helps!
Answer:
I guess it's kinda a cheerful mood