Historical context can tell us important information about D. The author's purpose.
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.
Answer:
The correct answer is: O John packet the following for his trip: an umbrella, a blanket, a sleepeing bag, and a tarp.
