What theme does the array best express?

a. younger siblings tend to follow older siblings, even when they have different friends and interests.
b. life-changing decisions are not often difficult to make but could lead to feelings of guilt later in life.
c. the decision to make a life change is difficult and people may feel guilty for leaving a life or community behind.
d. the loss of an immediate family member causes intense grief, leading to some people making life-changing decisions in private.