How Does Jacob's Model of Grieving Differ from Those Proposed

How does Jacob's model of grieving differ from those proposed by the other theorists in your text?

A) It proposes more than one emotion or feeling in each of its stages.
B) It follows a linear perspective while the other theorists follow a stage perspective.
C) It proposes that at any given moment many different emotions or themes may be present.
D) It is composed of seven stages instead of the usual four or five.