Textile business has become more and more difficult（）the competition grew.

A:as B:befor C:since D:after

They describe how each process goes( )to the next.

A:befor B:on C:in D:/

Textile business has become more and more difficult( )the competition grew.

A:as B:befor C:since D:after

They describe how each process goes( )to the next.

A:befor B:on C:in D:/

Textile business has become more and more difficult ( )the competition grew．

A:as B:befor C:since D:after

They describe how each process goes( )to the next.

A:befor B:on C:in D:/