In General,since Its Creation in 1980,the Superfund Cleanup Program Has

In general,since its creation in 1980,the Superfund cleanup program has resulted in

A) fewer than 10 sites receiving all the necessary cleanup.
B) only about 100 sites receiving all the necessary cleanup.
C) about a thousand sites receiving all the necessary cleanup.
D) the necessary cleanup of more than 99% of all Superfund sites.