Which Is True with Respect to Lazarus and Folkman's (1984)transactional

Which is true with respect to Lazarus and Folkman's (1984) transactional model of stress?

A) The model postulates that in the step after exposure to a potential stressor, the individual engages in an appraisal of coping options.
B) An example of a problem-focused coping response would be when a student reacts to failure on a major examination with anger.
C) Consistent with the model, research suggests that stress has a suppressive effect on the immune system.
D) Consistent with the model, research suggests that stress fuels the immune system.