"the dsm–5 categorizes personality disorders into three main groups, which are: "

A personality disorder is an illness considered by inflexible forms of rational, sensitivity, or connecting to others that source problems in personal, social, and work situations. Personality disorders are categorized into three groups namely: those considered by odd or eccentric behavior, dramatic or erratic behavior, and anxious or inhibited behavior.

During the paleolithic, hominins grouped together in small societies such as bands, and subsisted by gathering  plants  and fishing, hunting or scavenging wild  animals. the paleolithic is characterized by the use of knapped stone tools, although at the time humans also used  wood  and bone tools.

It’s either d or b ! but it might be b