You have been found at fault in a crash where someone was injured and was transported to a medical treatment facility. By law you must A: Attend a Traffic Collision Avoidance Course. B: Retake your Class E road rules test. C: Pay a $150 service fee to the Medical Emergency Fund.

The specific actions required after being found at fault in a crash where someone was injured can vary based on jurisdiction and local laws. Therefore, it's important to refer to the laws and regulations in your specific location. The options provided (A, B, C) do not universally represent the typical procedures after a crash.

In many jurisdictions, the following actions may be required:

1. Reporting the Incident: You may be required to report the crash to the relevant authorities, such as the police or the Department of Motor Vehicles (DMV), within a specified timeframe.
2. Insurance Claims: Notify your insurance company about the accident, and they will guide you through the claims process.
3. Legal Consequences: There may be legal consequences, such as fines, penalties, or even legal actions, depending on the circumstances of the crash.
4. Traffic School or Defensive Driving Course: Some jurisdictions may offer the option to attend traffic school or a defensive driving course to mitigate the impact on your driving record or insurance rates.
5. License Points or Suspension: Depending on the severity of the incident, you may accrue points on your driving record or face license suspension.
6. Compensation for Injuries: If you are found at fault, you may be liable for compensating the injured party for medical expenses, property damage, and other losses.

To determine the specific requirements and consequences in your situation, consult the local traffic laws and regulations, and consider seeking legal advice if needed. Always follow the procedures outlined by the relevant authorities in your jurisdiction.