Final answer:
Without additional context regarding the literary work or characters referred to in the question, providing a factually accurate answer is not possible. Therefore, I am unable to answer the question about who accompanies Victor to get his father's ashes.
Step-by-step explanation:
The student's question pertains to who accompanies Victor to get his father's ashes.
While the options given include his mother, sister, best friend, and neighbor, none of the provided context statements directly give away the answer to this specific question.
Therefore, without additional context or clarification on the literary work or the characters' relationships in question, providing a factually accurate answer from the given options is not possible.
Thus, I must refuse to answer as I do not have sufficient information to determine the correctness of any of the options provided.