The statement that communicates the key idea of the given passage would be:
A). Cholera is most likely not a communicable disease.
What is a communicable disease?
A communicable disease is characterized as a disease that spreads from one individual to the other via a medium i.e. air, water, etc.
The central idea of the author in the given passage is that Cholera does not belong to this category of communicable diseases most likely.
The author backs this idea by offering details like the 'conflicting opinions to consider it communicable,' 'a little reflection,' 'commences from the alimentary canal,' etc.
Thus, option A is the correct answer.
Learn more about "Central Idea" here:
brainly.com/question/10904230