A School Bus Carrying Children in Grades K-12 Crashed into a Ravine

A school bus carrying children in grades K-12 crashed into a ravine. The critically injured children were transported by ambulance and admitted to the pediatric intensive-care unit (PICU) . The nurse is concerned about calming the frightened children. Which nursing intervention is most appropriate to achieve the goal of calming the frightened children?

A) Tell the children that the physicians are competent.
B) Assure the children that the nurses are caring.
C) Explain that the PICU equipment is state of the art.
D) Call the children's parents to come into the PICU.