Option A is the right answer.
Began around 10,000 B.C, the Neolithic revolution in the history of Human marks the transition from small nomadic bands of hunter-gatherer to larger agricultural settlement and early civilization. People in the Paleolithic age used Primitive stone tools, whereas tools in the Neolithic era were more sophisticated. People during this age invented new types of tools such as sickle blades and stone axes etc. People in the Paleolithic age lived in small groups of 20- 30 people in caves, or in cabins made of tree branches, while, the Neolithic people with the advent of agriculture and raising cattle moved to settle as the farmers and villagers.
Much like her male counterpart, a queen is, like a king, a ruler of an independent state or nation. Moreover, the same rule that is used for kings is applied here as well, the rule stating that this position is hereditary, meaning that one can become a queen by right of birth. So, to sum up, a Queen is a female ruler of a country.
I believe the correct answer is the vikings.
Hope it helps!