You believe Bobby may be a victim of physical neglect from his home environment. Upon what facts should you base this observation? A. Bobby is often hungry, is unclean, wears dirty clothes several times a week, and tends to have trouble getting along with other children. B. Bobby is unusually shy and withdrawn, appears generally unhappy, and has delayed intellectual development. C. Bobby has bruises on his face and arms, but has told you he falls down the stairs a lot. He wears long shirts in warm weather to cover the bruises. D. Bobby rarely takes part in extracurricular activities, is late to school at least three days a week, and is often inattentive.