问题
单项选择题
经济净现值是指将项目在整个计算期内各年（）用社会折现率折算到建设期初的现值之和。
A.现金流量
B.效益流量
C.净现金流量
D.经济净效益流量
答案
参考答案：D
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经济净现值是指将项目在整个计算期内各年（）用社会折现率折算到建设期初的现值之和。
A.现金流量
B.效益流量
C.净现金流量
D.经济净效益流量
参考答案：D
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