What Is the Difference Between General Primary Care and Specialization

What is the difference between general primary care and specialization among physicians?

A) Primary care physicians require more advanced and longer training than specialists who only learn one branch of medicine.
B) Primary care physicians accept Medicaid and Medicare insurance but specialists only accept private insurance or cash/credit.
C) Primary care physicians work in public clinics and hospitals whereas specialists work in private settings.
D) Primary care physicians generally treat all patients for all reasons whereas specialists only treat specific patients or conditions and typically require referrals from primary care doctors.