Maria is working as the Scrum Master of the project. During a sprint review, Gerrard, Project Sponsor, was not happy with the deliverable and scolded the team but gives no constructive feedback. What would be the best way for Maria to respond in this situation?
a. Discuss with Gerrard to create and encourage safe environment
b. Discuss with product owner to update the product backlog
c. Discuss with the team as what was wrong in the deliverable and try to fix it in next sprint
d. Before sprint review, review the deliverable to make sure it is as per expectation