单选题 Why did the boy say sorry to the family?

A、

[A] He was late for supper.
B、

[B] He had been away from home all day.
C、

[C] He lost his way on his way home.

【正确答案】 B

【答案解析】[解析] 文章提到一个男孩离家出走(ran away from home)，在外待了一整天(stayed away all day)，晚上回家对家人说对不起。题目问的是“男孩为什么对家人说对不起?”，根据文章的意思，应该选He had been away from home all day，即选项[B]。