发生重大、大事故的基层单位，应于事故发生后7日内向分局提出重大、大事故报告，分局接到报告后7日内向铁路局提报重大、大事故调查处理报告，铁路局接到报告后()报送铁道部重大、大事故调查处理报告。

A．3日内

B．5日内

C．7日内

D．10日内

An analyst does research about pension plan. A company regularly contributes the agreed-upon amount to its defined contribution pension plan in each reporting period. The contribution most likely affects its balance sheet as a decrease in:（）

A. cash flow only.

B. the funded status only.

C. both cash flow and the funded status.