Which of the following statements about non-core Scrum roles is correct?

Which of the following statements about non-core Scrum roles is correct?
A . Non-core roles are mandatorily required for the Scrum project to be successful.
B. Non-core roles are supportive roles indirectly responsible for the success or failure of the project.
C. Non-core roles are involved with the project, but do not have any interest in the project.
D. Non-core roles have a formal stature on the project team and are continuously involved in the Scrum process.

Answer: A

Explanation:

Reference: https://pdtraining.com.au/assets/pdf/SBOK-Chapter-1-Introduction.pdf