Which statement about the development and testing of a complex intervention is true?

Which statement about the development and testing of a complex intervention is true?

A.For most projects, a single journal article can adequately summarize what was learned.

B.Client and public involvement is relevant primarily during the implementation phase of a project.

C.A full intervention project requires many years of work and benefits from being incorporated into a dedicated program of research.

D.Adopting the MRC framework ensures that the intervention will be capable of being implemented.