Regarding the Challenges of Adulthood,which of the Following Statements Is

Regarding the challenges of adulthood,which of the following statements is FALSE?

A) Peak earnings commonly occur during middle and late adulthood.
B) Most adults learn to work "smarter," both physically and mentally to offset the inevitable slow declines of adulthood.
C) When the youngest child moves away,the parents are referred to as "empty nesters."
D) Career difficulties and unemployment can pose serious challenges to adult well-being because many adults derive most of their friendships from their work experiences.