A 3-year-old patient, body weight 12 kg, received right inguinalhernioplasty. The surgeon request that the anesthesiologist should uselaryngeal mask airway (LMA) for anesthesia . Which one is the mostappropriate size of LMA for this patient?
(A) 1
(B) 1.5
(C) 2
(D) 2.5
(E) 3