Why does the author mention the city of Philadelphia?

Câu hỏi :

Why does the author mention the city of Philadelphia?

A. Its postal service was inadequate for its population.

B. It was the site of the first post office in the United States.

C. It was the largest city in the United States in 1847.

D. It was commemorated by the first United States postage stamp.

* Đáp án

A

* Hướng dẫn giải

Đáp án A

Từ dòng thứ 3, 4 đoạn 2: In Philadelphia, for example, with a population of 150,000 people still had to go to the post office to get their mail. The confusion and congestion of individual citizens looking for their letters was itself enough to discourage use of the mail -> dân số 150000 người là rất lớn, mà vẫn phải tự đi lấy bưu phẩm, gây sự rắc rối và đình trệ -> dịch vụ bưu điện chưa đáp ứng được nhu cầu người dân.

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