Read the following paragraph from the article. Other research shows that looking at a picture of a loved one can make pain feel less intense. When people with strong support networks are asked to do complex mental math, their blood pressure stays lower and there is less of a stress-related chemical in their saliva. Simply thinking about a supportive person can activate a part of the brain called the ventromedial prefrontal cortex, which is associated with overcoming fear.

How does this paragraph support the author's position?

A
It provides additional evidence about the connection between a person's mental or emotional state and the body's physical response to stress.
B
It demonstrates that there are ways for people to stay connected with others even when they must participate in difficult problem solving.
C
It appeals to the reader's emotions to show that some people are better suited for living for extended periods away from their family and friends.
D
It elaborates on the scientific reasons why researchers need to do more studies on the ventromedial prefrontal cortex of isolated individuals.