Which of the following statements best explains the relationship between medicines and concerns about the shrinking of the Amazon Rainforest?

A.
In an effort to protect the Amazon, the Brazilian government has limited the amount of medical research that can be done in the rainforest.
B.
Creating medicine requires large amounts of resources, and harvesting these resources is leading to deforestation of the Amazon.
C.
The byproducts of many medicines are responsible for polluting the Amazon River.
D.
Many medicines are created from plants in the rainforest; without them, doctors and scientists may not be able to treat and cure many diseases.

Please select the best answer from the choices provided.

D. Many medicines are created from plants in the rainforest; without them, doctors and scientists may not be able to treat and cure many diseases.