The extant constructs of the nursing metaparadigm are:

A) Nursing,health,disease,and person.
B) Person,health,environment,and caring.
C) Person,environment,disease,and nursing.
D) Person,environment,health,and nursing.

The nursing metaparadigm consists of four key concepts: person, environment, health, and nursing. These concepts are interrelated and provide the foundation for nursing theory and practice. The person is the central focus of nursing care, and nursing occurs within a specific environment. The goal of nursing is to promote and maintain the health of the person in the context of their environment. Therefore, choice D is the correct answer.