Looking for Alaska is the figurative language because you can't actually look for Alaska
Answer:
The answer is C I took the test
The definition of communal is "Shared by all members of a community; for common use."
I would say that their kitchen <em>is</em> communal because their "community" consists of all the roommates who use the kitchen and contribute to it. If only one person contributed to the kitchen stock, then it would not be communal.
I'm pretty sure it's a dependent clause. Hope this helps!
