Which of the following is not true regarding children's understanding of death?
A) A 5-year-old is not able to fully understand that death is permanent.
B) A 6-year-old is able to understand that death is permanent, universal, and unavoidable.
C) A 9-year-old is able to understand that death is permanent and universal.
D) A 7-year-old is not able to understand that death can be a universal factor.