对长期便秘者应慎用的抗酸药物是

A．胃得乐

B．氢氧化铝

C．胃必治

D．碳酸氢钠

E．氢氧化镁

Before selecting the curtain for your newlydecorated house,it's important to know what colors look

great________the wall paper.[      ]

A. on    

B. with    

C. in    

D. against