Depending on if you're asking if this is true or false then it is highly false because of the changes in society and what an individual believes is in their own definition a family. Families aren't always the mother and father and their children-over the years families have evolved as society has changed. Families have gone from a two parent household to a single parent household when either the father or mother can be the superior figure of the house. (Hope this helps some ^^)
China is quite isolated because of surrounding mountains. Never seeing the other civilizations or hearing about them from nomads. It was difficult to travel there either way, one again because of the surrounding mountains, so no one was necessarily willing to venture out or into the area that was, at the time, China.
Bear in mind, I could be wrong. But I'm 98% positive that it is correct.
A. They made their own clothes
The correct answer is D. British.