How does RTC support agile planning?

How does RTC support agile planning?
A . RTC support work item based configurable agile planning using time tracking, Gantt charts, and out of the box custom reports.
B . RTC supports sprint planning with configurable plan types and plan views, an agile scheduler, complexity management, and ranking.
C . RTC supports agile planning by importing and exporting plans to Microsoft Project to calculate sprint planning and user allocation to tasks.
D . RTC supports work item based agile cross project planning including predecessor/successor linking, prioritization and critical path analysis.

Answer: A