Which of the following statements, if true, is the best basis for a criticism of historical costing as an economically sound pricing method for military contracts?
比较一下这个题 Which of the following, if true, provides the best basis for a rebuttal of the criticism?
At first I chose D. But notice the advocate is on the "converting the landscaping to water-conserving from traditional", not "building new water-conserving landscape"
D only supports the latter advocate, but fail to serve a rebutall to the criticism, which argues the saving of water can justfy the conversion costs.