Final answer:
A Florida driver with a learner's permit must be supervised by a driver who is 21 years of age or older, has a valid driver's license, and sits in the passenger seat.
Step-by-step explanation:
A Florida driver who holds a learner's permit must be supervised by a driver who adheres to the following requirements:
- A. Holds a valid driver's license
- B. Is seated in the passenger seat beside the driver
- C. Is 21 years of age or older
In other words, the supervising driver must have a valid driver's license, sit in the passenger seat, and be 21 years of age or older.