It is estimated that nearly 100 million people live here, most of ______ in the west.

It is estimated that nearly 100 million people live here, most of ______ in the west.

A. which　 B. whom　 C. that　 D. them

It is estimated that nearly 100 million people live here, most of ______ in the west.

1. A.
   which
2. B.
   whom
3. C.
   that
4. D.
   them

 It is estimated that nearly 100 million people live here, most of ______ in the west.

A. which    B. whom   C. that   D. them