单选题：某技术方案净现金流量见下表，则该技术方案的静态投资回收期为（　　）年。某技术方案净现金流量表计算期／年1234567

题目内容：

某技术方案净现金流量见下表，则该技术方案的静态投资回收期为（　　）年。
某技术方案净现金流量表

计算期／年	1	2	3	4	5	6	7	8	9
净现金流量／万元	-800	-1200	400	600	600	600	600	600	600

A．5．33
B．5．67
C．6．33
D．6．67

参考答案：

答案解析：

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