正解:C
RACI is a tool that best illustrates how team members with different roles should interact on the team. RACI is an acronym that stands for responsible, accountable, consulted, and informed. RACI is a type of responsibility assignment matrix (RAM) that defines and clarifies the roles and responsibilities of each team member for each task or activity in a project. RACI can help to improve communication, collaboration, and accountability among team members and avoid confusion, duplication, or conflicts3