As a Guide to Program Evaluation, Which of the Following

As a guide to program evaluation, which of the following is the rationale behind the key question "What role will the program evaluator play?"

A) A very small project can be prevented from having a far too expansive evaluation, and vice versa.
B) Knowledge of the program objectives is essential in order to link what the program was designed to accomplish.
C) An evaluator can help shape the evaluation, the time line, and the types of statistics used in the program analyses.
D) Knowing what a program manager feels comfortable with in terms of evaluator exposure helps in planning an evaluation.