Which Statement Is True About Configuring Issue Types in a Project

Multiple Choice

Which statement is true about configuring issue types in a project?

A) Standard and sub-task issue types must always have their own workflows.
B) Epics cannot have sub-tasks in a Jira Software project.
C) There are three levels of issue types in a Jira Software project; Epic, Story, Sub-task.
D) Sub-task issue types can have a different issue security level than their parent.
E) An issue type scheme can have unlimited sub-task issue types.
F) You can disable the Create Sub-task operation on some standard issue types.