During the Doubting Stages of Their Lives, Atheists Were Affected

During the doubting stages of their lives, atheists were affected by which of the following?

A) A death of a loved one which made them question the role of religion and God in their lives.
B) A relationship with a member of the clergy that was questionable, at best, and made them wonder if these men and women of God acted to poorly how could religion be worth much.
C) A close reading of the Bible and doubts that the stories told in the Book were true.
D) Doubts in what the Bible said, but even more, they hypocrisy they saw in people who saw themselves as religious.