生产、销售假冒伪劣产品如劣质奶粉、瘦肉精食品、假牛肉等，严重侵害了消费者的合法权益。生产、销售这些“问题食品”[ ]

①侵害了消费者的生命健康权、公平交易权   

②侵害了消费者的自主选择权

③违背了商品活动中的诚实信用原则  

④是违法行为，应受到法律的惩处

A．①③④          

B．①②③        

C．②③④          

D．①②④

—  ______ that he picked up his uncle at the airport? 

—  It was at 6:00 in the afternoon ______ he got off work.  [ ]

A.  Was it when; that    

B.  When was it; that    

C.  Was it when ; when    

D.  When was it; when