Using the C-SPOC utilities， an administrator has created a new volume group and filesytems. Theadministrator performs an Isvg -I command on the volume group and notices that the log logical volume created in C-SPOC is closed/syncd and loglv01 has been created and is in use.  What step was required in order for the logfile created by C-SPOC to be used.（）  

• A、 Perform the C-SPOC logform utility option prior to creating any filesystems.
• B、 Manually perform a logform outside of C-SPOC prior to creating any filesystems.
• C、 Run a logredo command and select log logical volume created in C-SPOC as the preferred jfslog.
• D、 Use C-SPOC to delete and recreate the log logical volume，set the perform logform option to true.