Ⅲ. Vocabulary
(D)irections: (B)eneath each of the following sentences there and four choices marked (A), (B), (C) and (D). (C)hoose the one answer that best completes the sentence. 【題組】46. Hospital staff burst into cheers after doctors completed a 20-hours operation to have __________ one-year-old twins at the head.
(A). isolated (B). separated (C). divided (C). removed