Um I think you swapped B and C around but it would be COMPONENTS OF A HOUSE. A house has many things in it and need to have certain things in it to stand up. Like in some cases there needs to be support. In others it can support itself.
The Dead Sea, being under sea level naturally, has a negative elevation of 1,312 feet.
C is the answer because it represents a mood the most
Tell me the lines that it tell you.