Answer:
A
. They explain why researchers think Dr. Seuss based the Lorax character on the patas monkey.
Explanation:
The passage mentions several similarities between this monkey and the lorax.
Hope this helps :)
B brcause c and d are arent always gonna be true and writing ussually lasts a long time there are texts from over 100's of years ago so it would be B
Because
This is the answer because cause and effect words are (because, if, therefore, since, then)