Which statement best summarizes the central idea of the passage?

A The modern world is less stressful than the primitive world.

B Different people respond to stressful situations differently.

C A person's reactions to a stressful situation are deeply rooted in his or her biology.

D A person living in the modern world reacts differently to stress than a caveman would.

Which two of the statements correctly summarize the information related in the passage?

A Stress and worry are different emotions.

B Stress has certain bodily manifestations.

C Stress impacts the mind more than the body.

D Stress brings about a "fight or flight" response.

E Stressful situations are not usually what they seem.

The correct answer is B: Different people respond to stressful situations differently. and D: Stress brings about a "fight or flight" response. These two statements accurately summarize the information provided in the passage. Statement A is incorrect because the passage does not differentiate between stress and worry. Statement C is incorrect because the passage explains that stress affects both the mind and the body. Statement E is incorrect because the passage does not make any statement about the true nature of stressful situations.