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.
D. will be more likely to live in manhatten but work in the borough of brooklyn.