Take a look at the sentence again:
In reality, Wesley has a bus pass, an Angelina Jolie poster, and __________
in the room he shares with his brother.
The blank requires a noun phrase. You chose the bunk which is on the bottom, which is a noun phrase followed by an adjective clause. You thus have a parallelism error. Before you continue, review the rules for parallel structure.
Go back to the sentence to try again.