Which disorder is characterized by the following: a pattern of recurring thoughts or behaviors, such as repeatedly checking if doors are locked, that prevents people from going about their day normally?

a.) binge eating disorder
b.) obsessive-compulsive disorder
c.) post-traumatic stress disorder

Lina went in camping woods. while camping, she accidentally touched a strange planet. her hand immediately started itching, and her skin erupted in hives. after she gets home, her grandmother cooked some oatmeal, wrapped it in a cloth, and put it on lina affected hand. lina’s grandmother followed a traditional what remedy.