View the Exhibit. You are creating an additional database by using the Database Configuration Assistant（DBCA）. You opted to create a General Purpose database and during the database creation realize that theBlock Size field is not enabled.  What could be the reason for this（）

• A、You have chosen the File System option as the storage option.
• B、You have chosen the Automatic Storage Management （ASM） as the storage option.
• C、The data block size can be increased only when DBCA is invoked from Oracle Universal Installer （OUI）.
• D、You are using General Purpose template and not the Custom Database template to create the database