Which Event or Series of Events Led to the Eventual

Which event or series of events led to the eventual replacement of the DNS degree by the ND degree as the practice-focused nursing doctorate?

A) The shift in curricula from a practice focus to a theory focus that made the DNS similar to a traditional PhD.
B) The introduction of the "nurse as social engineer" philosophy that created a rift between academia and the AACN.
C) The failure to establish uniform curricula for the DNS that led to widely divergent programs around the country.
D) The creation of the AACN task force to evaluate the current status of practice doctorates in nursing.