Hera Lal's 10 year old child present in casualty with snakebite since 6 hours.On examination no systemic signs are found and lab investigation are normal except localized swelling over the leg of

• A. S/cutaneous anti venum at local swelling
• B. Observe the patient for progression of symptoms wait for antivenum therapy
• C. Incision and suction of local swelling
• D. I/V ply antivenum