The discussion has been based on ______ consideration of the performance of the group of learners as ______ whole.

A．the; a           B．a; a           C．a; the          D．the; the

The preceding discussion has been based on _______ consideration of the performance of the group of learners as _______ whole.?

A. the; a　B. a; a?

C. a; the D. the; the?

The preceding discussion has been based on _______ consideration of the performance of the group of learners as _______ whole.

1. A.
   the; a
2. B.
   a; a
3. C.
   a; the
4. D.
   the; the