Among Atheists

Among atheists,

A) almost all grew up in households where atheist beliefs were held by their parents.
B) though most of their parents would not call themselves atheists, they had no organized religion to which they belonged.
C) despite their doubts in religion now, practically all grew up with some sort of religiosity in their home growing up.
D) a large majority came from households that had fervent, even fanatical, religious beliefs that they then rejected as adults.