[Solved] Beginning at about age 3 and continuing until about age 7,children ________. A) are disgusted when they see other children naked B) do not play any sexual games like playing "doctor" C) have their first major "crush" D) may try to see their parents and other adults naked Waiting Line Model: A mathematical model used to analyze the processes and efficiency of waiting lines, aiming to optimize service and reduce wait times. Service Time: The total time a customer is being served, including the time it takes to process an order, deliver a service, or a combination thereof. Service Requirements: Specifications or conditions that must be met to fulfill a service. Dental Clinic: A healthcare facility specializing in the diagnosis, prevention, and treatment of oral health issues, offering services such as dental check-ups, treatments, and surgeries.