At what age can a person obtain a commercial driver's license in North Carolina?

Answer: B — 21

In North Carolina, a person can obtain a commercial driver's license (CDL) at the age of 21. This requirement aligns with federal regulations that establish minimum age standards for operating commercial vehicles across state lines. While individuals aged 18 can obtain a regular driver's license and operate personal vehicles, they are prohibited from driving commercial vehicles outside of their home state until they reach the age of 21. This regulation is in place to enhance safety and ensure that drivers have had sufficient experience before operating large and potentially dangerous vehicles, which require a higher level of skill and responsibility. Thus, the minimum age of 21 is essential for obtaining a CDL in North Carolina.