Final answer:
A supervising driver must hold a valid driver license and have been licensed for at least five years, and can be any responsible person approved by the parent or guardian.
Step-by-step explanation:
A supervising driver must hold a valid driver license and have been licensed for at least five years as one of the requirements. Additional criteria, although not mentioned in the question, typically include that they be at least 18 years of age and be able to legally operate the type of vehicle used for practice driving. Often, the supervising driver does not need to be a parent or grandparent; however, they should be a responsible person approved by the parent or guardian. In summary, the correct answer is both a) Hold a valid driver license and have been licensed for at least five years and c) Be a responsible person approved by the parent or guardian, therefore the correct choice would be d) All of the above.