Being illiterate, the Anglo-Saxons established types of entertainment that did not include reading and writing, but that featured physical activities and arts.
We can arrive at this answer because:
Although reading was a form of entertainment for many years, some ancient peoples, such as the Anglo-Saxons, could not read.
That's because writing hadn't been invented yet.
However, Anglo-Saxon society found other forms of entertainment, generally focused on physical activities such as hunting and horse racing.
They also held parties, where they performed artistic representations through dance and music.
Although they were illiterate, Anglo-Saxons also told stories as a form of entertainment. These stories were conveyed through conversations between people.
C - the legend of King Arthur - in stark contrast to the actual man - is easy to track bak to its orgins.
Both the claim and option C mention how much more difficult it is to know about the REAL King Arthur and how much easier it is to trace back the history of the legend.
It means which product is greater (bigger) so it would be (-4) because they're both negative numbers but (-4) is greater because it is closer to zero or to positive numbers.