题目内容：
Why didn. t some people use the postal service in the 1840s?A. It was expensive.
B. It was unreliable.
C. There were few post offices.
D. There were no stamps
参考答案：
选择题：Why didn. t some people use the postal service in
- 题目分类：乐山师范学院第二外语(英语）
- 题目类型：选择题
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A. It was expensive.
B. It was unreliable.
C. There were few post offices.
D. There were no stamps