I believe the answer is:
Aristocracy
democrat
monocrat
Aristocracy means a condition when the nobles <em>rule</em> over the people within a society. Democrat means a society that is<em> ruled</em> over by the will of the majority of the people. Monocrat meeans a society that is<em> ruled </em>over by one single person alone.
I believe B would be the answer, as the subject closest to the verb (rolls) corresponds to the verb (when there is an "or" or "nor" in a sentence, the verb should correspond to the subject closest to it). For A, "adding machine" should correspond to "make," but it doesn't. For C, the subject is plural (team members and the coach), but the verb is singular; the case is the same for D.
The answer is D. The President reports that 60% of troops will be removed from Afghanistan before the end of the year.
Answer:
astronomy is the correct answer