Answer: Parallel play
Step-by-step explanation:
Parallel play is defined as the children play in which they tend to play next to each other but do not impact or disturb the behavior of each other by communicating or involving. Children do persist interest in activity of the other children but will play with their environment on their own.
According to the situation mentioned in the question,Rachel and Donna are displaying the parallel play in which they are not interfering each other's doll playing and are involved in their own play without interaction .