A 16yrs girl sustains a steam burn measuring 6 by 7 inches over the ulnar aspect of her right forearm.Blisters develop over the entire area of the burn wound,and by the time the patient is seen 6 hour after the injury,some of the blisters have ruptured spontaneously.In addition to debridement of the necrotic epithelium,all therapeutic regiments might be considered appropriate for him Except:

• A. Application of mafenide acetate cream,but no daily washes or dressing
• B. Heterograft application with sutures to secure it in place and daily washes,but no dressing
• C. Application of silver sulfadiazine and daily washes,but no dressing
• D. Application of polyvinylpyrorolidone foam,daily washes and a light occlusive dressing changed daily