Answer:
You need to be more explainable otherwise we can't answer this question
I’m not sure what my choices are but adverbs are normally words with a “ -ly “ on the end of it , for example “ joan quickly skipped down the road “ the adverb would be quickly.
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.