मराठी भाषा लेखनासाठी ________ लिपीचा वापर करतात.

The correct answer is Option A (देवनागरी).

Key Points:
• The script used to write a language is a fundamental linguistic concept.
• Marathi, Hindi, Sanskrit, and Nepali are primarily written in the Devanagari script.
• Devanagari is written from left to right and features a horizontal line (shirorekha) over the letters.
• Historically, an older cursive script called 'Modi' was also used for Marathi, but Devanagari is the standard modern script.
• Key Takeaway: Marathi language is standardly written using the Devanagari script.