Final answer:
The purposes of the Standards include establishing the basis for the measurement of internal audit performance, guiding the ethical conduct of internal auditors, and fostering improved organizational processes and operations.
Step-by-step explanation:
The purposes of the Standards include establishing the basis for the measurement of internal audit performance, guiding the ethical conduct of internal auditors, and fostering improved organizational processes and operations.
Therefore, the answer is C. Stating basic principles that represent the practice of internal auditing as it should be.