The Primary Difference Between the Loss Response Model (LRM) and the Worden

The primary difference between the Loss Response Model (LRM) and the Worden model of grief is which of the following?

A) In the Worden model, those grieving pass through stages in order.
B) The LRM uses a systems approach that acts to uphold stability.
C) In the Worden model, the system helps to maintain the equilibrium.
D) In the LRM model, those grieving transition through several stages.