(A) Ctrl+O
(B) Ctrl+M
(C) Ctrl+D
(D) Ctrl+V
🧠 Explanation:
Using this shortcut instantly adds a new slide following the currently selected slide. It streamlines the process of building presentations by saving time compared to navigating through menus. This key combination works in most versions of PowerPoint and is a handy tool for efficient slide creation during presentations or while preparing content. Familiarity with such shortcuts enhances productivity and allows smoother workflow within the software.