A 50yrs male presented with painless terminal hematuria.Cystoscopic examination revealed a solitary papillary tumor.Histopathological examination of completely resected tumor is suggestive of grade III transitional cell carcinoma with no muscle invasion.Further best management done by:

• A. Intravesical chemotherapy
• B. Just follow up
• C. Cystectomy
• D. Intravesical BCG