The correct answer is D. Monotheism
Explanation
Monotheism is a religious current that is based on the existence of only one god or deidity, nevertheless that is not the only religious current. Indeed, through history there have been a lot of religions for example in the earliest communities, the religion was based in natural phenomena and each one was related with one God (polytheism). Later, when Christianism, Catholicism, Islam, and Judaism originated, religions were mainly focused on one God (monotheism) that was the most important and unique deidity in these religions. So, the correct answer is D. Monotheism.
