While at Scott & French, Paralegal Nancy Worked as Part

While at Scott & French, Paralegal Nancy worked as part of the litigation team representing the plaintiff in Big Corp. vs. Little Corp. When Nancy leaves Scott & French to accept a job with William & Marks, she learns that her new employer is contemplating representing Big Corp. in a merger with Medium Corp. Nancy

A) probably has a conflict of interest if William & Marks takes on the representation AND if the firm assigns Nancy to that matter.
B) probably has a conflict of interest due to her representation of Big Corp. while at Scott & French.
C) probably does not have a conflict of interest because the new representation does not appear to be materially adverse to the former representation.
D) probably does not have a conflict of interest because the new matter is not litigation.