单项选择题

[听力原文] 9-10
W：When did you become interested in collecting stamps
M：Oh，when I was about ten years old．It’s an exciting hobby．(9) You know, the first postage stamps were issued in Britain in 1840．
W：ReallyI didn’t know that．(10) I did know that the charge for mail delivery before the appearance of postage stamps was paid by either the sender or the receiner. How much was the usual charge
M：Oh，about ten cents for a short distance．But post of rices were losing money with that system．RowlandHill an Englishman，suggested using postage stamps．Here’s a picture of the first two stamps issued．
W：They both bear a picture of Queen Victoria．

When were the first postage stamps issued（）

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