Which one of the followings is best described middle adults?

Which one of the followings is best described middle adults?

a) most individuals focus on becoming more physically fit and developing into healthy, energetic older adults

b) adults revise their physical self-images, placing less emphasis on feared declines and more on hoped-for gains.

c) some individuals notice an older body, but few experience life-threatening health episodes.

d) adults become conscious of aging as their time orientation changes from “years since birth” to “years left to live.”