I intended to compare notes with a friend, but unfortunately ________ couldn’t spare me even one minute．

1. A.
   they
2. B.
   one
3. C.
   who
4. D.
   it

 I intended to compare notes with a friend, but unfortunately ____ couldn’t spare me even one minute.

A. they                   B. one                   C. who            D. it

I intended to compare notes with a friend, but unfortunately_________couldn't spare me even one minute.

A. they　　 B. one　　 C. who　　 D. it

I intended to compare notes with a friend, but unfortunately ____ couldn’t spare me even one minute.

A. they                B. one                 C. who           D. it