Which Statement Is Closest to the Lifespan Development Perspective

Which statement is closest to the lifespan development perspective?

A) There are gains and losses over the life span with a shift in proportion in older adulthood toward more gains than losses.
B) Up to the point of young adulthood there are only gains,after which there are losses in every aspect of functioning.
C) People make steady gains from young to older adulthood and there are never any losses.
D) There are gains and losses over the life span with a shift in older adulthood toward a greater proportion of losses than of gains.