Which Condition(s) Not Obtaining Led Hume to Believe That the Movements

Which condition(s) not obtaining led Hume to believe that the movements of an epileptic person having a seizure aren't free?

A) The person is acting in pursuit of what he desires, and his actions are a result of his own decisions.
B) There are no obstacles in the person's way, which prevent him from acting as he chooses.
C) Both a and b
D) None of the above