2．What can be inferred from the fact that the milkman had the key to the boy's house?
A．He wanted to have tea there.
B．He was a respectable person.
C．He was treated as a family member.
D．He was fully trusted by the family.
解析 推理判断题。由第三段内容可知送奶人是被信任的人，所以可以拥有“我”家的钥匙，以方便送奶。
答案 D
3．Why does home milk delivery no longer exist?
A．Nobody wants to be a milkman now.
B．It has been driven out of the market.
C．Its service is getting poor.
D．It is forbidden by law.
解析 推理判断题。由第四段可知：第一，大公司竞争力强；第二，牛奶销售到处可见。二者足以把送奶人排挤出市场。
