Mary Ann and Katya Are Playing House

Mary Ann and Katya are playing house. Katya, the mother, is calling the doctor because Mary Ann, the baby, is sick. (1) First, name the type of play the girls are engaging in; (2) then identify these children's probable ages:

A) (1) collaborative pretend play; (2) about age 5
B) (1) fantasy play; (2) about age 8
C) (1) rough-and-tumble play; (2) about age 5
D) (1) exercise play; (2) about age 8