To be honest with you this question is a bit tough. But it can be different for many people. In your case I would say that the clouds above the house represent someones thoughts or mind in the house. So one could say there judgement is very clouded.
The theme in a story is the underlying or central message, otherwise known as the 'big idea' that shows insight into life that the author is trying to convey. It is often defined as the 'moral of the story'. They tend to be serious, universal, stated in absolutes, etc.
Therefore the answer is D.
B.B is the correct answer because of the grammar.