Answer: c) ADHD
Explanation:
ADD is defined as attention deficit hyperactivity disorder in which attention of the person is impacted due to brain obstructions and activity.The person fails to sit still,pay attention toward on-going things, persist self control etc.
According to the question,Dominic should be diagnosed with ADHD as he has symptoms of not sitting in still in class and paying attention to teachers word rather he is imagining about recess and other things.
Other options are incorrect because Dominic is not persisting ADD, AHDD and CAPD as per diagnosis of behavior. Thus, the correct option is option(c).