___ parents say and do has a lifelong effect on their children.[ ]

A. That      

B. Which      

C. What      

D. As

单一吸入（）药物和分别吸入布地奈德和福莫特罗一样能有效改善（）

A.信必可；肺功能

B.舒利迭；肺功能

C.高剂量布地奈德；临床症状

D.中剂量布地奈德；肺功能