Use the Following to Answer Questions

Use the following to answer questions :
Refer to the figure and table below

-Based on the figure and table, which is a valid conclusion?

A) The human body is very well adapted to handle long periods of stress.
B) Small amounts of stress actually strengthen the immune system, but prolonged stress can lead to illness.
C) An individual's perception of stress has no impact on the level of antibodies in the blood stream.
D) The stress response is a drastic effort to deal with a short-term problem, not long-term problems.