Advocate: You claim that it is wrong to own gasoline-powered cars because they pollute too much; you have an electric car, which pollutes far less. But the company that made your car also makes millions of gasoline-powered vehicles, so your patronage benefits a producer of products to which you object. Thus, if you are right about gasoline-powered cars, you should not have your electric car either.

Question: Which one of the following principles, if valid, would most help to justify the advocate's reasoning?
Options:
A. An action can be wrong even if it has fewer negative consequences than another action.
B. One should purchase a product only if it pollutes less than any competing product.
C. One should purchase every product whose use has no negative consequences.
D. One should not support an organization that does anything one believes to be wrong.
E. One should not purchase products from companies that make no environmentally sound products.
Answer: "D"