In 1847 most countries of the world were ______.

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In 1847 most countries of the world were ______.

A. not yet using postage stamps

B. collecting valuable stamps

C. buying stamps from Neuritis

D. printing their own stamps

参考答案:

A此题为理解题。从文中第3段最后一句...Mauritius was to become the fourth country in the world to issue stamps可知,当时世界上使用邮票的国家并不多。故A为正确答案。