Rifka: We do not need to stop and ask for directions. We would not need to do that unless, of course, we were lost.

Craig: The fact that we are lost is precisely why we need to stop.

Question: In the exchange above, the function of Craig's comment is to
Options:
A. contradict the conclusion of Rifka's argument without offering any reason to reject any of Rifka's implicit premises
B. deny one of Rifka's implicit premises and thereby arrive at a different conclusion
C. imply that Rifka's argument is invalid by accepting the truth of its premises while rejecting its conclusion
D. provide a counterexample to Rifka's generalization
E. affirm the truth of the stated premise of Rifka's argument while remaining noncommittal about its conclusion
Answer: "B"