Universal Containers (UC) currently does all development in its full copy sandbox. Recently, UC has projects that require multiple developers to develop concurrently. UC is running into issues with…

Universal Containers (UC) currently does all development in its full copy sandbox. Recently, UC has projects that require multiple developers to develop concurrently. UC is running into issues with developers making changes that cause errors in work done by other developers. Additionally, when they are ready to deploy, many unit tests fail which prevents the deployment. Which three types of orgs should be recommended to UC to eliminate these problems? (Choose three.)