【单选题】Which of the following statements is most precise in introducing the economic development of China?
A.
The growth rate of China’s GDP has been remaining above 6 percent this year.
B.
GDP of China advanced almost the same in the March quarter of 2019 as in the previous quarter.
C.
The economy of China advanced 6.4 percent year-on-year in the March quarter of 2019, slightly above market expectations of a 6.3 percent expansion.
D.
China’s GDP advanced 6.4 percent year-on-year in the March quarter of 2019, the same pace as in the previous quarter but slightly above market expectations of a 6.3 percent expansion.