Which of the Following Statements Is True Regarding Only Children

Which of the following statements is true regarding only children?

A) They tend to be spoiled and self-centered.
B) They tend to experience high levels of anxiety due to extreme parental pressures to succeed.
C) They tend to be less well-accepted in their peer group, because they have not had opportunities to learn effective conflict-resolution strategies.
D) They tend to have low self-esteem and perform poorly in school.