_______ the tower building，where you can see the whole city．

A．Standing on the top of

B．If you climb to

C．When you reach the top of

D．Get to the top of

生地、熟地同用的方剂是（）

A.大定风珠

B.地黄饮子

C.百合固金汤

D.六味地黄丸

E.清燥救肺汤