--- Not everything that is best for nature is good for people.

--- Yes, would anyone say that economic development should be stopped ______ nature?

A．in need of

B．in fear of

C．in favor of

D．in honor of

在外加煤工艺中，就是将煤粉通过圆筒混合机在混合料中充分（）并将部分煤粉滚在料球表面。