有两个按钮,id分别是button1,button2,要将button2放在button1的右侧,并底部对齐,我们在button2中添加属性下面可以实现的是( )
A.
、android:layout_toRightof="@id/button1"
B.
、android:layout_toLeftof="@id/button1"
C.
、android:layout_toRightof="@id/button1" android:layout_alignBottom="@id/button1"
D.
、android:layout_toBottomof="@id/button1" android:layout_alignRight="@id/button1"