Final answer:
All of the above can serve as TREC commissioners. Hence, option d. is the correct answer.
Step-by-step explanation:
The correct response to the query is encompassed by "All of the above." Within the purview of the Texas Real Estate Commission (TREC), individuals from diverse professional backgrounds, including a real estate salesperson, a real estate broker, and a real estate attorney, can assume the role of TREC commissioners. The TREC serves as the regulatory authority overseeing the real estate industry in the state of Texas.
Appointed by the governor, TREC commissioners play a crucial role in shaping and upholding the standards and practices within the real estate sector. The inclusion of commissioners with varied expertise is a deliberate strategy to ensure comprehensive representation and insight into the multifaceted aspects of the real estate industry.