What happens next in this paragraph?

How to understand and help sociopaths
Understand the features of sociopaths.
These individuals defined as a personality disorder, characterized by persistent antisocial behavior, impaired empathy and remorse, and bold, dis-inhibited, egotistical traits.
Sociopaths are rational, know why they decide to act the way they do.
Available options: (a). They are competitive but successful when it comes to power and control. They address conflict from the outside, subdue with restraint and control.; (b). They do not act in irrational ways that seem to defy rational tendencies. Sociopaths use alienating emotions to their advantage.; (c). Sociopaths also sometimes suppress certain emotions, but their reasons for feeling beholden to others will vary. For example, they are frequently offended and behave very negatively towards their peers to gain attention.; (d). The reasons behind sociopathic behavior is due to brain structure, although there are an interplay of genetics and environment. It can also be caused by brain injury.;
(d).