Answer:
Option c accurately describes the order of the development of our calendar
Step-by-step explanation:
Egyptian calendar is the oldest as the date of origin is unknown but few historical researchers suggest that it originated 4231 BC. It was back in Prehistoric period where writing did not come into existence. .
Julian calendar which originated during the time of Julius Ceasar in 46 BC replacing the Roman calendar.
Gregorian calendar originated in the 15 Century. It is used in many parts of the world. Around 240 years ago the Gregorian calendar was adopted during British Imperialism.