Which of These Statements Describes One of the Realizations Siddhartha

Which of these statements describes one of the realizations Siddhartha had when trying to achieve enlightenment?

A) He thinks that if he continues his life as an ascetic he will achieve enlightenment.
B) He thinks that if he continues his asceticism, he will not achieve enlightenment and will die trying.
C) He thinks enlightenment is difficult for him to achieve because of his karma.
D) He thinks enlightenment is difficult for him to achieve because he has rejected his dharma.