Faustus experienced doubts about the path he was on as evidenced by which of the following (Mark all that apply): a.) A young child warned him to repent, which caused Faustus to reflect on his actions. b.) When sleeping, Faustus experienced visions of hell and of the consequences of his choices. c.) When signing the contract in blood, his blood stopped flowing and words of warning appeared on his arm. d.) Faustus never experienced doubts. He was set on his path and never wavered.