—There is still a copy of the book in the library. Will you go and borrow ? —No I’d rath

问题补充：

—There is still a copy of the book in the library. Will you go and borrow ?

—No, I’d rather buy in the bookstore.

A. it; one

B. one; one

C. one; it

D. it; it

答案：

(答案→)A. it; one

B. one; one

C. one; it

D. it; it

解析：it指代上文所提事物的本身。one常用来代替与上文所提到那类人或物被替代者为可数名词单数形式。it指上文中a copy of the book。one指在书店买了一本。