A school-age child who has Down syndrome has poor lip closure resulting in drooling and spillage of food when eating. Which technique would MOST EFFECTIVELY facilitate lip closure when the child is eating a meal? A) Have the child drink liquids from a lidded cup with a short spout. B) Hold the child's lips closed while the child chews on solid foods. C) Provide the child with a sour-flavored piece of candy to suck on prior to meals. D) Rub firmly around the child's lips intermittently during the meal..