Using Dollaghan's (2007) Conceptualization of E³BP, the Three Sources of Evidence

Using Dollaghan's (2007) conceptualization of E³BP, the three sources of evidence include:

A) internal research evidence, evidence from a clinical practice, and external evidence from patients/clients.
B) evidence from research, expert opinion, and evidence from patients/clients.
C) research evidence, case study evidence, and practice-based evidence.
D) external evidence, internal clinical evidence, and internal evidence from patients/clients.