Which of the following is true about the achievement of developmental milestones like finishing college, obtaining a full-time job, and establishing a household among today's emerging and young adults?
A) They are achieving these milestones at younger ages compared to previous generations.
B) There is a trend of delaying these milestones compared to previous generations.
C) These milestones are less important to today's young adults compared to previous generations.
D) There is no significant change in the timing of achieving these milestones compared to previous generations.