Which Statement Made by an EMT Indicates Understanding of the Underlying

Which statement made by an EMT indicates understanding of the underlying benefit of using evidence-based medicine?

A) Formulates emergency care guidelines that have been reviewed by the legal community
B) Improves patient care while simultaneously reducing the costs associated with EMS
C) Provides for legal representation in the quality improvement process
D) Allows the use of research and evidence in determining what care is effective