jeffrey is 6 years old. He is socially awkward and did not learn to walk until he was almost 2. In addition, he still has a hard time using a fork or spoon to feed himself. He is obsessed with model airplanes (he has more than 200 models and can name each one). Playing with his model airplanes is the only activity he engages in unless he is pressured into doing something else. Jeffrey MOST LIKELY has
