What Are the Major Social Factors Affecting Motor Developme in Early

What are the major social factors affecting motor developme in early adulthood?

A) Weight gain, death of a parent, leaving school
B) Cohabitation (e.g., marriage) , having children, leaving school/going to work
C) Going to work, weight gain, reduced interest in physical activity
D) Decling interest in physical activities, injury, weight gain