![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
What does the author mainly discuss in Para. 13?
A.
Shanghai Pinkerton Float Glass Plant.
B.
Wholly foreign investment enterprises usually export to a subsidiary or trading company in another country.
C.
Some enterprises in China float bonds.
D.
Financing of foreign business in China may take different forms