Answer:
B. biomedical support services
Step-by-step explanation:
The support services career that is characterized by designing, building, and maintaining medical machinery is the biomedical support services.
Generally, biomedical support services is a field of medicine saddled with the responsibility of providing services ranging from the design of medical equipments, construction (building) of medical machinery, installation of these machines to the maintenance and repair of medical machinery (equipment).
The group of experts or professionals who are employed to provide biomedical support services to hospitals, clinics or other medical facilities are generally referred to as biomedical engineers.