PT 66 S2 Q12

Because dried peat moss, which is derived fromsphagnum moss, contains ... ...

Which one of the following principles, if valid, most helps to justify the argument’s reasoning?
(A) Using a product may be environmentally unsound even if the product is a renewable resource and contains no chemical additive.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in June 2012 LSAT (PT66): Logical Reasoning A