After an Institutional Project Has Been Developed, the Next Step

After an institutional project has been developed, the next step is to conduct a pilot study (a trial study) . Based on the Iowa Model, which step would identify the success or failure of a pilot study?

A) Developing an evaluation plan
B) Measuring client outcomes prior to implementation
C) Training relevant staff in the use of the new guideline
D) Evaluating the project in terms of both the process and the outcomes