Which situation faced by these mobile app developers requires the skill of adaptability?

A.
Amelia’s client wants to incorporate some additional new features in an app a few days before its release date.
B.
Trevor must persuade his co-workers about an idea to improve the app they are developing.
C.
Dennis must work with employees from a different department on a new project.
D.
A day before the release of an app she developed, Bianca discovers a flaw in the app that the testing team did not detect.