A、  B、  C、  B(A)sure相当于yes，所以适合用来回答一般型疑问句。(B)针对在哪里可以买到订书器的提问，回答了具体的文具店的名字，故为正确答案。(C)适合用来回答how much疑问句。

Why don’t you hire more temporary help?
(A)Yes, it was terrific.
(B)We’ve never considered that.
(C)On the upper shelf.

Where is the nearest store I can buy a stapler?
(A)Sure. Help yourself.
(B)At the Top Stationery.
(C)About three dollars.