Among these steps in the value chain, please identify the steps $[$if any$]$ in which$$many but not all,$$of the firms in the Coors case industry had active ownership and operations.

Option A

Concentrate $($Syrup$)$ Production

Option B

Agricultural products, can$-$making, & other inputs

Option C

None of the steps listed

Option D

Distribution $($Wholesaling$)$

Option E

Brewing & Marketing