单选题You created a custom menu for the Order Entry application. The shipping administrator has requested an additional submenu containing four items to invoke various reports. Which command type must you use to identify the parent menu item as a submenu? （）
题目
单选题
You created a custom menu for the Order Entry application. The shipping administrator has requested an additional submenu containing four items to invoke various reports. Which command type must you use to identify the parent menu item as a submenu? （）
A
Menu
B
Plus
C
Macro
D
PL/SQL