It might be said that Sergei´s reaction towards Yoni at his door might be option D. he might have been frightened because Yoni could discover the gold fish. so his reaction was kind of harsh, he did not what to answer the questions and he wanted the boy to go away from his house.
Answer:
his need to provide for his family
Explanation:
you can tell cause they live in his house and yet still wanna kill him
it's the narrator who provides the storytellers voice