What should a Citrix Engineer do to remove and prevent subsequent access to an unwrapped application that is already installed by a group of users on their iOS devices?
A. Create an app-uninstall policy and assign it to a Delivery Group.
B. Create an app-uninstall policy and assign it to a deployment package.
C. Create an application blacklist and assign it to a deployment package.
D. Change the application to an optional application and assign it to a Delivery Group.