Based on materials covered in this class on change management, what is the step in Kotter's $8-$Step Change Management Process where most change initiatives fail? $($choose the ONE best letter$)$

A$.$

Step $1$: Create urgency.

B$.$

Step $9$: Building a Guiding Team.

C$.$

Step $3$: Create a Vision for Change.

D$.$

All steps are equally likely to cause a major organizational change initiatives to fail.