Correct option is A
Word Meaning:
Advanced - moved forward or proceeded ahead, especially in a military or strategic context.
Synonyms of advanced – progressive, developed, modern, evolved.
Antonyms of advanced – backward, primitive, undeveloped, outdated.
Explanation:
• “Retreated” is the perfect antonym in this context of army movement.
Correct: The army retreated from enemy territory.
Option Meanings:
Retreated – withdrew or moved back from a position.
Protruded – stuck out or projected.
Commuted – traveled back and forth regularly.
Arose – emerged or got up.