Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, _______the number people infected with the virus is going up sharply.

A.when          B.that             C.which         D.where

Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, _________ the number of people infected with the virus is going up sharply.

A. when                B. that                   C. so that               D. where

Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, _________ the number of people infected with the virus is going up sharply.

A. when              B. that                   C. so that              D. where

Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, _________ the number of people infected with the virus is going up sharply.

A. when　　　 B. that　　　　　 C. so that　 　　　 D. where

Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, _______the number people infected with the virus is going up sharply.

1. A.
   when
2. B.
   that
3. C.
   which
4. D.
   where