Choose the correct meaning of idiom : To chew the cud of reflection

Explanation:

The idiom "to chew the cud of reflection" means to think carefully and deeply about something, just as cows chew the cud repeatedly. It refers to serious contemplation or meditation.

• Eating slowly ❌ — This is the literal meaning of chewing, not the idiomatic meaning.
• Daydreaming without focus ❌ — Daydreaming is casual and unfocused.
• Pondering deeply ✅ — This matches the idiom's meaning.
• Mentally preparing for battle ❌ — Not related to the idiom.

Answer:

Pondering deeply