Which of these statements accurately explains why the Common Era begins with the birth of Jesus of Nazareth over 2,000 years ago?
A. Jesus developed a system of measuring time that could be used
to more accurately track the passage of time than any other
culture's calendar.
B. The period of time now described as the Common Era is based on
older Christian periodization that divided time into a period before
Jesus's birth and a period afterward.
C. The period of time now described as the Common Era officially
began with Jesus's declaration that Christians, Muslims, and Jews
have many beliefs in common.
D. Jesus instructed his Christian followers to create a new calendar
based on his birth and spread it to every country throughout Me
world.