It will be emphasized that commercial space operations are inherently complex, long-term, capital-hungry, and set by a variety of risks.

A．beset by

B．inset by

C．preset by

D．reset by

某报表单元格需要计算“财务费用”的发生额，在取数公式定义中，应选择的函数是（）。

A.发生净额

B.贷方发生额明细

C.贷方累计发生额

D.实际发生额