A Coworker States, "Please Ensure That You Submit All Status

A coworker states, "Please ensure that you submit all status reports two days before the monthly departmental meeting."
-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) That sounds ridiculous.
E) This plan is full of errors.