The correct options are
A Manchuria region
B Shanxi-Baotou region
D Changjiang region
The Manchuria, Shanxi-Baotou, and the Changjiang regions contain steel plants and industries.
1) Manchuria region: iron and steel, engineering and chemicals.
2) Shanxi-Baotou region: Iron and Steel and farm machine producing industries.
3) Changjiang region: textiles, shipyards, steel plants and engineering.