So there’s two questions. How do the sentences in Paragraph 17 help to develop the key concept of that paragraph?

A They demonstrate that muscle cramps, headaches and, stomachaches are symptoms of anxiety

B They help the reader to understand that deep breathing allows the brain and the body to reduce the negative physical effects of anxiety

C They help the reader to understand that deep breathing allows the brain and the body to reduce the negative physical effects of anxiety

D They illustrate that Lynn Miller understands the benefits of deep breathing

second question:

Which sentence from paragraph 19 helps to develop the idea that it is important to face fears in small doses?

A. “Someone who is afraid of public speaking, for example, should prepare for a class presentation by first practicing in front of a mirror”

B. “Thinking it will be ok if an assignment isn’t done perfectly., for example, can help overcome fears of not doing well enough (which might otherwise lead to doing nothing at all).”

C. “By gradually increasing out exposure to a situation that sparks anxiety, we can train our brains to recognize the situation as non threatening”