According to Martin Seligman, People Who Use Stable, Internal, and Global

According to Martin Seligman, people who use stable, internal, and global explanations for negative events:

A) have a strong immune system response to stress, with high levels of lymphocytes, T-cells, and helper T cells.
B) have an optimistic explanatory style.
C) are prone to the stress contagion effect.
D) have a pessimistic explanatory style.