A study finds that a toxicant has a lethal dose 50% (LDs) of 1000 milligrams per kilogram of body weight. Which statement correctly describes the fest animals in the study?
A Hall died when exposed to that dose of the toxicant
B. Half benefited from exposure to the toxicant
C. Half died, regardless of the dose they received.
D. Half were exposed to that dose of the toxicant