【单选题】6 things you do not know about Gregorian calendar1. The original goal of the Gregorian calendarwas to change the date of Easter.In 1582, when Pope Gregory XIII introduced his Gregorian calendar, Europ...
A.
To add extra days into February would make the calendar unreasonably long.
B.
Every year divisible by four contains leap days
C.
If a year is divisible by 100 and also divisible by 400, whether a leap day is added does not really matter.
D.
Lilius’ variation did resolve the lag created by Caesar’s earlier scheme