I believe the answer is C. Even though they can all be good.
Even though there isn't a passage, the things you would be looking for in third person omniscient is that the narrator has the facts plus ALL character's thoughts and feelings.
5
1- I visited china and went to china wall and about that I remember the nature of there and foods, and the people how which communicated with them , my friends.
2-Ancient China was one of the longest-lasting civilizations in the world, and it traces back over 4,000 years. It is well-known for creating the Great Wall, which kept outside invaders like the Mongols at bay.
6-the work they did
True. this is because the narrator is trying to be as realistic as possible.
