An adverb clause is a dependent clause which cannot exist on its own, it has to be a part of the main, independent clause. So, having that in mind, the only dependent clause among these examples is 'when you return from California'. Therefore, the correct answer is B.
Dozens of oranges would be bought
Answer:
1. the houses need to be better
2. our stores
3. our streets
4. our fountains or decorations
