You are flying on an ifr flight plan at 5500 feet with a vfr on top clearance when you encounter icing. you know there is clear air above and you request 9500 feet from atc they deny the request. A. Yes, you are still IFR with a VFR-on-top clearance.
B. No, you are now VFR.
C. No, your VFR-on-top clearance has been canceled.