Which of the following statements about the financial statement effects of issuing bonds is least likely correct（）

A. Issuance of debt has no effect on cash flow from operations.  

B. Periodic interest payments have no effect on cash flow from financing.  

C. Payment of debt at maturity decreases cash flow from operations by the face value of the debt.

下面关于海上生产设施危险区描述中不正确的是（）。

A.“0”类危险区：指不断出现或较长一段时间存在可燃性爆炸混合气体的区域

B.“Ⅰ”类危险区：指在正常作业中可能形成或/聚积可燃性爆炸混合气体的区域

C.“Ⅱ”类危险区：指在较短时间内存在或产生可燃性爆炸混合气体的区域

D.“Ⅲ”类危险区：指在一定间隔时间内存在或产生可燃性爆炸混合气体的区域