What type of a risk response has Melody used in this scenario?

Melody is the project manager for her organization. She has created a risk response to conduct
more tests on the software her project is creating. The identified risk that prompted this response
was that the software is mission-critical and must be flawless before it can be put into product.
What type of a risk response has Melody used in this scenario?

A.
Transference

B.
Enhance