—Excuse me, which is the way          the hospital?    

—Walk           the street. Take the first turning on the right and walk on. You'll see it          the end of the road.    [ ]

A. for; down; by                  

B. of; down; at    

C. to; along; at                    

D. to; along; by

摆杆硬度计可以测量金属板表面涂膜的（）