The correct option is B.
The source of information, that would offer the most reliable fact-based information about the author is a book, that is written by the author himself. This type of source is called primary source. Information obtained from Wikipedia, movie and books published by other authors can only offer secondary information, which are not as reliable as information from primary source.
The answer is:
There was no long run-up to the jump.
The jumper carried special weights.
The jumper made more than one jump.
In the excerpt from "The Ancient City," the author Numa Denis Fustel de Coulanges makes reference to the long jump exhibited in ancient Greek athletics, which was quite different from modern long jump. For example, there is indication that the athletes did not run before performing the jump, so they probably executed numerous jumps. He also mentions that athletes moved forward special weights, called halteres, which provided impulse to the jump.
Both of theese preamble and constitution are constant. I meen they can't be changed at all
That would be its capital city, Tbilisi, with a population of roughly 1.5 million.