What Is the Problem with the Inference from the Fact

Multiple Choice

What is the problem with the inference from the fact that the F-150 is less fuel efficient to the moral judgment that the engineers who design the F-150 have a moral obligation to make it more fuel efficient?

A) This is a culturally relative judgment.
B) There is no bridge premise.
C) We don't know the social facts necessary to construct the relevant moral values.
D) It is classist.