The telesales force requested additional ways to terminate the automated polling questionnaire. In addition to the default functionality, you provide a menu item and a button for this purpose. Adhering to efficient coding practices, which PL/SQL code do you use for the menu item and the button?（）

A.RETRIEVE_LIST 
B.RETRIEVE_GROUP 
C.RETRIEVE_LIST_ITEM 
D.RETRIEVE_GROUP_FROM_LIST 
E.RETRIEVE_GROUP_FROM_LIST_ITEM 

A.Use the Data Block Wizard and base the relation on a REF pointer. 
B.In the Object Navigator, select the Relation node under the master block and click the Create icon. Build the relation manually and coordinate the blocks using triggers.
C.Use the Data Block Wizard, and base the relation on the primary key-foreign key relationship in the database. 
D.This task is not possible because master-detail relations can be implemented only for blocks based on relational tables. 

A.Transaction management is block-oriented rather than window-oriented. 
B.Forms automatically navigates to an item located in an activated window. 
C.A window may contain multiple blocks, but each block can only span one window. 
D.A window can contain multiple canvases, and an item can be located on multiple canvases.