After Monica Shares an Idea at a Meeting, Rachel Immediately

After Monica shares an idea at a meeting, Rachel immediately responds "That would never work!" This response stops Monica's participation in the rest of the discussion. Which of the following statements would best have kept the discussion moving forward?

A) I think that's a terrible idea, but that's just my opinion.
B) That's a different way to look at it-how would it work?
C) I know you wouldn't have come up with such an outlandish idea if you knew all the facts.
D) Why do you think that could ever work?
E) That's not how I would do it, but I guess it's not completely ridiculous.