Final answer:
Danny Wiles exhibits symptoms consistent with Attention Deficit Hyperactivity Disorder (ADHD), such as difficulty completing tasks and staying focused, which affects both children and adults, impairing their functioning in daily life.
Step-by-step explanation:
Danny Wiles, age 23, has shown symptoms such as an inability to complete tasks, difficulty staying seated and focused, and trouble maintaining a job. Considering these descriptions, the most likely diagnosis from the given options would be C) Attention Deficit Hyperactivity Disorder (ADHD). ADHD is characterized by inattention, executive functioning difficulties, impulsivity, and hyperactivity which exceed normal developmental stages. Although ADHD is often associated with children, it is a disorder that affects individuals of all ages, including adults. Symptoms can lead to challenges in academic, occupational, and social settings. It is also important to note that individuals with ADHD can have comorbidities like depression or obsessive compulsive disorder (OCD), which may exacerbate their symptoms and affect their overall wellbeing.