Answer: a) Compromised
Explanation: Cognitive development is the developing stage usually in the children in which they explore and find out about things and facts. By these activities they gain knowledge, solve issues, improve skills etc.
As per the situation mentioned in the question,Kenneth will be experiencing compromised cognitive development where he is settling in the condition with low standard of living such as criminal neighborhood, poor conditions ,stress etc.
Other options are incorrect because consumptive is the wasting disease persisting person, status impaired refers with damaged status and structurally immobile defines cannot move in accordance with structure. Thus, the correct option is option(a) .