The Julian Calendar, Which Has 365 Days and a Leap

Multiple Choice

The Julian calendar, which has 365 days and a leap day every 4 years, was no longer used in Europe after 1582 because

A) it is slightly inaccurate and after 1600 years of use caused large problems.
B) leap years are rough on people born on February 29.
C) people realized that the Roman calendar is better.
D) it had 13 months, which is unlucky.
E) none of the above; we still use it.