In a Windows PC, the shortcut key for restoring the last action in Microsoft PowerPoint is:

A. Ctrl + R
B. Ctrl + Z 
C. Ctrl + Y
D. Ctrl + O

🧠 Explanation:

Ctrl + Z is the shortcut to restore the last action in Microsoft PowerPoint. “Shortcut key” is a noun phrase; “restore” is a verb. Alternatives like “undo” could be used. Understanding shortcuts enhances computer efficiency, productivity, and software proficiency.