At what point during the systems development process should an internal auditor verify that the new application's connectivity to the organization's other systems has been established correctly?

At what point during the systems development process should an internal auditor verify that the new application’s connectivity to the organization’s other systems has been established correctly?

At what point during the systems development process should an internal auditor verify that the new application’s connectivity to the organization’s other systems has been established correctly?
A . Prior to testing the new application.
B . During testing of the new application.
C . During implementation of the new application.
D . During maintenance of the new application.

Answer: A