Dear Sir or Madam,

I’m writing to tell you that I’m interesting in the summer camp in Australia and I hope I can be become a member.

My name is Li Nan, a 18-year-old girl from Shaanxi, China, but I’m a Senior One student. As a student, I has learned English for 8 year. And I can communicate with foreigners in English free. As you know, I am a senior student now, so I know China well. I can introduced Chinese culture to foreign friends.

I hope I can accepted. I’m looking forward to receive your reply as soon as possible.

Yours 

Li Nan

（）时期废除了分封制。

A.战国

B.秦朝

C.西汉

D.东汉