What is a key difference between Kanban and Scrum?

A. Scrum focuses on time-boxed iterations, while Kanban emphasizes a continuous flow of work B. Kanban has defined roles and ceremonies, while Scrum emphasizes visual management and limiting work in progress (WIP)

C. Kanban places more emphasis on customer collaboration, while Scrum focuses on optimizing the team’s workflow D. Kanban is a framework for project management, while Scrum is an engineering framework