Which of the following factors would contribute to a child being vulnerable to developing a psychological disorder?
a. Young children spend much of their time immersed in fantasy and have difficulty distinguishing real-life events from made up ones.
b. Children's lack of experience in dealing with adversity can make manageable problems seem insurmountable.
c. Children tend to be overly optimistic and fail to consider the gravity of problems in their lives.
d. children are very selfish by nature and have a difficult time understanding the needs and feelings of others