Answer:
I think it's B
Explanation:
In the central idea it doesn't say anything about the first long lasting light bulb or it's affordability.
I hope this helps! :)
I think it is A or C but it might be A
Hope this helps ;)
We have no way of proving this hypothesis to be true.
After hearing the raucous, cheering response to Adam’s speech, Mr. James feared that his new student body president might be an amateur demagogue.