听对话或独白，根据对话或独白的内容，从下面各题所给的A、B、C三个选项中选择最佳选项。每段对话或独白你将听两遍。
Why is the boy back home early today?
A. Because he wants to have a short break.
B. Because he wants to help for the dinner.
C. Because the classroom is too noisy to study
What will the boy do to help his mother?
A. Wash the dishes.
B. Wash the tomatoes.
C. Set the table.