Gabriella, an agile practitioner, is given a task to introduce Kanban to her technology support team. As part of the initial activities, which of the following are the most appropriate steps when introducing Kanban?

A) Map the workflow steps on the board, place a Work In Progress (WIP) limit in each step and ask team members to start using the defined process
B) Engage a business analyst that represents the new Kanban process and ensure that each team member receives formal training before start using a new process
C) Assist the manager of a support team to visualize and map the current workflow and ask a manager to introduce a new process for the team
D) Facilitate team sessions and help them to map their existing workflow and support them to continuously improve the process collaboratively