You won't want to visit any other mountain if you have seen Wu yue, but you won't wish to see even Wu yue _______returning from Mount Huangshan.
A:about
B:before
C:since
D:after
下面选项中加线词的意义和用法不同的一项是( )
如图所示电路,请画出相应的电路图.
⊙O半径是6cm,点A到圆心O距离是5.6cm,则点A与⊙O的位置关系是( )