In Recent Years,the Major Change in Hanin's Notion of an Individual

In recent years,the major change in Hanin's notion of an Individual Zone of Optimal Functioning (IZOF) has been

A) Reliance upon placing a zone around depression instead of anxiety.
B) Reliance upon placing a zone around anxiety instead of confidence.
C) Reliance upon a zone of dysfunction instead of a zone of optimal function.
D) Reliance upon multiple emotions instead of only one.