单选(10分)How the article describes iPad software features from the view of Application? （ ）

A、Although the iPad is not designed to replace a mobile phone, a user can use a wired headset or the build-in speaker and microphone and place telephone calls over Wi-Fi or 3G using a VoIP application.
B、The layout of the music library is similar to that of an iPod or current Symbian S60 phones.
C、On iTunes, the feature shows the different album covers in a scroll-through photo library.
D、The interface is centered around the home screen, a graphical list of available applications.