问题如下：
Information about inflows from delivering or producing goods or services of company’s central operation is on:
选项：
A.the income statement
B.the balance sheet
C.the cash flow statement
解释：
A is correct. Revenues are inflows from delivering or producing goods or services of company’s central operation. It is the key elements of the income statement.
现金流量表里面的CFO不是体现经营业务的inflow吗？
