Answer:
the subject of this sentence is people.
Explanation:
in every sentence, there is a noun and a verb. if you look at this sentence, you will see there is only one verb, cultivated. now look at whom or what is performing this task (verb). people have <em>cultivated</em>
A, I believe because they both have the same root word
c. the sheriff was greedy, and he blamed robin for the answer.