The Question and Answer section for Frankenstein is a great resource to ask questions, find answers, and discuss the novel.
I'm sorry, "which of the following" means you were provided with choices for your answer. Your question cannot be answered without this information.
The creature gets firewood for them and forages for food.
From the text:
"Do you think, Victor," said he, "that I do not suffer also? No one could love a child more than I loved your brother"—tears came into his eyes as he spoke—"but is it not a duty to the survivors that we should refrain from...