—Excuse me. How can I get to the bookstore?

—Sorry! I don’t know. I am new here.

— __________

A. The same to you!       B. Thank you all the same.  C. Of course.

旋压可使板料成型出（）零件或对空心零件进行翻边、胀形等加工。

A.实心回转体

B.空心圆柱体

C.变异型形体

D.空心回转体