File names typically have: ((MCAER 2014))

✅Explanation: The ".doc" extension is commonly associated with document files created in Microsoft Word. It is a widely used format for creating and editing text-based documents.

📌Other Options Explanations:
-B. Image files typically use extensions like ".jpg", ".png", or ".gif".
-C. Audio files often use extensions like ".mp3", ".wav", or ".flac".
-D. Video files typically use extensions like ".mp4", ".avi", or ".mov".