Q: Retrogression :
(a)Sudden sharp drop in price
(b)Reverse pressure
(c)Return to earlier state
(d)Sudden occurrence of a past event
Correct Answer: (c)
The correct answer is (c): Return to earlier state. Subject: English Language | Sub-topic: Grammar & Vocabulary Note: This answer was determined through AI-based research. Verify against the official answer key when available.