Which conclusion accurately represents the above information?

The character of the “Mad Hatter” in Alice in Wonderland was based on early hatmakers who showed signs of mental illness. An investigation led to the discovery of poisoning

effects from mercury compounds used in the manufacture of hats. Changes were then made to protect the safety of workers.

Which conclusion accurately represents the above information?
A . Other characters in Alice in Wonderland were mentally ill.
B . Health officials are unconcerned about mercury poisoning.
C . Other heavy metals were involved in the poisoning.
D . Substances in the environment can cause mental illness.
E . Unstable people chose to be hatters.

View Answer

Answer: D