The disappearance of species __67__ scientists. They want the U.

The disappearance of species __67__ scientists. They want the U.S. Endangered Species Act of 1973 to be made __68__ .This act was formed to protect endangered species. __69__, land developers, and factory owners disagree. They want changes that will make the act weaker. They think the act is not working. They believe it is not __70__ to private landowners. They want the act to consider people more

A.enough

B.fair

C.important

D.effective

正确答案是B