下面的短文有10處空白，每處空白后的括號(hào)內(nèi)有一個(gè)詞,請(qǐng)根據(jù)短文內(nèi)容將其正確的形式填入文中,以恢復(fù)文章原貌。

According to this passage, the money you get as interest from government bonds is      .(  )

• A、the money earned
• B、the money not earned but received
• C、the money received for the contribution you have made to the economy
• D、the money earned for the service you have furnished to the economy

This passage is mainly about      .(  )

• A、the difference between national income and GNP
• B、the difference between national income and personal income
• C、the concept of income
• D、the difference between disposable income and nondisposable income