The most important criterion in selecting a project selection method is Realism. Thus, option D is correct.
An alternate definition of a project is a group of things and the outcome that is required to achieve a particular goal.
When choosing a project, every aspect may be significant, but the most significant aspect is the reality that is happening in the project of it, which means whether the project will be fulfilled by the people and if there will be any factor that will not be carried on in this project. Therefore, option D is the correct option.
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