The employment rate has continued to rise in big cities thanks to the efforts of the local govenments to increase            .

1. A.
   then
2. B.
   those
3. C.
   it
4. D.
   that

The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase________.

The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase________.????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? (2011·北京，34)

A．them? B．those

C．it? D．that

The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase________.

The employment rate has continued to rise in big cities thanks to the efforts of the local govenments to increase             .

A. then        B. those             C. it              D. that