What should the BA do to help prevent gaps from being discovered after go live?

A business analyst (BA) is preparing for user acceptance testing for case management scenarios in Service Cloud.

What should the BA do to help prevent gaps from being discovered after go live?
A . Focus more on happy path testing and less on edge case testing.
B. Write test scripts that reflect real life and cover the requirements.
C. Streamline testing by limiting the number of testers involved.

Answer: B