Pauline: Some environmentalists claim that for the salmon to be saved, ... ...

Pauline: Some environmentalists claim that for the salmon to be saved, the hydroelectric dams on the river must be breached. But if the dams are breached, given the region’s growing population and booming industry, electrical costs will skyrocket. Roger: The dams are already producing electricity at optimal capacity. So regardless of whether they are breached, we will have to find additional energy sources for the region. The dialogue provides the most support for the claim that Pauline and Roger agree that
(A) production from other energy sources cannot be increased in the near future to compensate for electricity production lost by breaching the dams
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in June 2013 LSAT (PT69): Logical Reasoning B