题干
The reason ______ he gave for not coming was ______ his mother wouldn’t allow him to.
A：why ; that
B：for which ; that
C：why ; because
D：which; that
答案(点此获取答案解析）
A
们可以手机宽带上网、视频通话、网络游戏、移动电邮、移动搜索、传输音像、网络电视等。这说明 （ ）