Hospital staff(工作人员)burst into cheers after doctors pleted a 20-hour operation to have one-year-old twins ________ at the head．A.isolatedB.separatedC.dividedD.remove
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B解析isolate意为“使隔离”；separate意为“分开”，表示把本来独立的东西分开；divide意为“分”，表示把整体分成部分；remove意为“移开”。根据语境，把连体婴儿分开应用separate。