Final answer:
Within a PLTFRM MENU on an LCU, 'D. MENU' would not be a selection option since it refers to the menu itself, while other options like Rotate Azimuth, Raise Platform, and Move Platform are potential actions that can be taken with the platform.
Step-by-step explanation:
The PLTFRM MENU on the LCU likely refers to an interface within a technical, possibly military or industrial application, for controlling a platform (PLTFRM). The acronym stands for Platform Menu on the Launch Control Unit (LCU). The options available typically would include actions that can be taken with the platform, such as ROTATE AZMTH (Rotate Azimuth), RAISE PLTRM (Raise Platform), and MOVE PLTFRM (Move Platform). The option that is not likely to be a selection within the PLTFRM MENU is 'D. MENU' as this option is usually metatextual, referring to the menu itself rather than an action that can be performed from within the menu.