(单选题)

The writer provides the detail about the businessman to show that ______.

A.Dad had a strong sense of duty

B.Dad was an honest and reliable man

C.Dad had a strong sense of honor

D.Dad was a kind and generous man

参考答案：B

参考解析：

推理判断题。根据第四段最后一句“One businessman used to leave large amounts of cash in his mailbox for Dad to take to the bank”可知，商人把那么多钱托付给爸爸，可见作者的父亲非常诚实，值得信赖。故选B。

知识点：阅读理解四选一英语专业基础知识阅读理解教师招聘-小学英语