Step-by-step explanation:
The sentence "Playing video games on every platform, from large computer displays to handheld devices or even cell phones, improves thinking skills, reaction time, and hand-eye coordination," functions to strengthen the argument by providing evidence to support the claim that playing video games can have positive effects on cognitive abilities. Specifically, it highlights the variety of platforms on which video games can be played and suggests that the benefits of playing extend beyond just one type of device. This helps to reinforce the argument that video games can have a wide range of positive effects on cognitive function. Therefore, the correct answer is A) It gives detailed support for one important part of the argument by giving statistical support.