A system administrator has increased the size the logical volume lv00. The administrator now wants to enlarge the filesystem /fs00 that is mounted on lv00 to the same size that lv00 currently is. Which of the following commands will show the administrator the number of blocks to use when increasing the size of the filesystem /fs00？（）

• A、lslv /fs00
• B、lsfs -q /fs00
• C、lsdev -Cc lv00
• D、lsattr -El lv00