How young is too young for a child to have his or her own cell phone? parents and parenting groups disagree. while some parents believe that so long as a child is old enough to understand how to use the phone and what to use it for, others believe that even fifteen years old is too young to have that kind of responsibility. some parents claim that cell phones keep the family in closer communication and keeps children safer. other parents warn that cell phones are a constant distraction from school and life itself. which sentence would work best as a concluding sentence to this paragraph? a) some people believe that cell phones actually cause cancer of the brain. b) cell phones are quite expensive, but there are many different types of them out there. c) ultimately the decision of whether or not to give a child a cell phone belongs to each parent. d) a cell phone can not only be used to call people, it can often text, take pictures, and play games.