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.
Shakespeare's allusion to Hecuba suggests that Hamlet <span>is impressed by the actor’s ability to cry for a fictional character.
In the excerpt, Hamlet shows his surprise with the fact that the actor shows such emotions such as sadness and tragedy for a character such as Hecuba, someone who has never even existed outside of a novel or poem. He considers that real art.
</span>
They can't work/function on their own... and they're short. Hope this helps!
