C. What is causing China's economy to grow?
Explanation:
This is the question answered in the paragraph as it discusses the way China is able to grow and earn its money discussing the different ways its economy functions.
<u>IT shows that the private companies of China have taken a hold of different industries and have an effective hand in the different sectors of the workforce </u>making China one of the biggest economies in the world. The statement does not talk about any other question given here.
A. Rome´s first written laws
There were 12 basic laws. It stood at the foundation of Roman law.

The United States have represented form of democracy.
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