Which of the Following Is Not True of Lomas's (2015)work

Which of the following is not true of Lomas's (2015) work on well-being and interventions in the social environment?

A) The microsystem level focuses on a person's immediate social environment, such as school or work.
B) At the microsystem level, positive outcomes can be promoted by such things as positive parenting programs and positive workplace programs.
C) The exosystems level focuses on the interaction of microsystems.
D) At the exosystem level, well-being can be promoted by community-based programs, such as healthy-eating and crime prevention initiatives.