The correct option is B Sarnath
Ashoka erected the pillar at Sarnath where Buddha delivered his first sermon. The pillar also records the visit of Ashoka to Sarnath. It is this pillar that was adopted as the national emblem of India. The capital features four Asiatic Lions standing back to back. It is mounted on an abacus consisting of four animals- elephant, horse, bull and lion which is placed on a bell-shaped lotus.