PT 64 S1 Q14

Superconductor development will enable energy to betransported farther ... ...

The claim that superconductor development will probably improve industrial productivity plays which one of the following roles in the argument?
(A) It is a conclusion for which the claim that shipping costs for fossil fuels are partly a function of the losses of material in transit is offered as partial support.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Oct 2011 LSAT (PT 64): Logical Reasoning A