A Business Analyst (BA) Has Been Given a Defect During

A business analyst (BA) has been given a defect during user acceptance testing. After analyzing the defect, the BA determines it is a change in the requirement. What does the BA need to do to assess the change?

A) Close the defect "working as designed"
B) Evaluate the risk analysis and management information
C) Perform a root cause analysis
D) Conduct an impact analysis using traceability