— I wonder what Mr. Wang asked you just now?
— He asked ________ .
A:whether I will take part in the singing competition
B:how long I have bought my new bike
C:what was wrong with my old bike
D:how much money did I spent on books
①3Hg ②Fe3+ ③SO3 ④3H2O
近代著名报纸《申报》曾刊文评论时事:“各女工种种丑态,招摇过市,全不避人,廉耻扫地矣。”“男女相淆,已非风俗之正。”这一述评论反映出( )
____ we are careful, we can't do our work ____.