Evaluate the following command and its output: Which two statements correctly interpret the output?（）

• A、FREE_SPACE indicates only the space that is currently unallocated.
• B、ALLOCATED_SPACE indicates only the space currently allocated and in use.
• C、FREE_SPACE indicates only the space that is currently allocated and available for reuse.
• D、ALLOCATED_SPACE indicates both the space currently allocated and used, and the space that is available for reuse.
• E、FREE_SPACE indicates both the space that is currently allocated and available for reuse, and the space that is currently unallocated.