阅读下列短文，从每题所给的四个选项A、B、C、和D中，选出最佳选项，并在答题卡上将该项涂黑。
A
Gadgets make study fun
Now in a world piled high with smartphones, tablets (平板电脑)and e-readers, technology has entered the classroom in ways unimaginable． Taking classes can be fun too． All you have to do is swipe your fingers on your phone screen and download some apps (应用程序), which can make your study more fun and efficient ． Balancing study and play in a college setting has never been easy-and with the following few apps, it’ll be tough to tell the two apart．
