Final answer:
Paraprofessionals are aides hired by social service agencies and play a vital role in delivering high-quality services, being critical to the functionality of these organizations. The correct option is B.
Step-by-step explanation:
Paraprofessionals are not considered to be unimportant to social workers; rather, they are aides who are often hired by social service agencies to support the work of professionals. Paraprofessionals play a vital role in supporting the delivery of effective, high-quality services within the realm of social work and other related fields.
Their contributions can significantly enhance the reach and impact of social programs, healthcare settings, and educational institutions, among others.