The twins          in Shanghai last week but now they       in Hainan.      [ ]

A. are ; are                          

B. were ; were      

C. were ; are                        

D. are ; were

痰厥若兼咳痰黄、便秘宜加

A．大黄、芒硝

B．陈皮、半夏

C．火麻仁、郁李仁

D．黄芩、栀子、瓜蒌、黄连等

E．黄芩、栀子、竹茹、瓜蒌仁等