Alice: Quotas on automobile imports to the United States should be eli

Understanding the argument -
Alice: Quotas on automobile imports to the United States should be eliminated. - Conclusion
Then domestic producers would have to compete directly with Japanese manufacturers and would be forced to produce higher-quality cars. Such competition would be good for consumers. - Opinion + supporting premise

David: You fail to realize, Alice, that quotas on automobile imports are pervasive worldwide. - Conclusion (Challenge)
Since German, Britain, and France have quotas, so should the United States. - Fact (but irrelevant to what Alice shared)

Which one of the following most accurately characterizes David’s response to Alice’s statement?

(A) David falsely accuses Alice of contradicting herself. - No accusation. Out of scope.
(B) David unfairly directs his argument against Alice personally. - Out of scope.
(C) David uncovers a hidden assumption underlying Alice’s position. - Alice assumes that the competition is good. But David's argument is not on the same lines and doesn't cover any underlying assumption.
(D) David takes a position that is similar to the one Alice has taken. - Alice intends that completion is good, and David's argument is in the opposite direction. So it's the opposite of what we need.
(E) David fails to address the reasons Alice cites in favor of her conclusion. - Ok