61. 下列何者最可能發生腦部低灌流?(MAP:mean arterial pressure;ICP:intracranial pressure)(A) MAP=95mmHg,ICP=20mmHg(B) MAP=70mmHg,ICP=10mmHg(C) MAP=85mmHg,ICP=20mmHg(D) MAP=60mmHg,ICP=10mmHg