Which of the following statements about Christmas is NOT true?
选项：

A:Traditionally people believed that Christmas was the time from which the day began to lengthen.
B:Before Christmas, people celebrated the pagan winter solstice.
C:Snowmen, Santa Claus and shepherds, together with many others, are Christmas images.
D:Christmas was originally meant to be a religious festival, but now people no longer celebrate it in a religious way.