题目内容：
根据下列材料回答 题。Nursing at Beth Israel Hospital the best patient care possible．If we are to solve the nursing shortage，hospital administration and Doctors everywhere would Do well to follow Beth Israel’s example．
At Beth Israel each patient is assigned to a primary nurse who visits at length with the patient and constructs a full—scale health account that covers everything from his medical history to his emotional state．Then she writes a care plan centered on the patient’s illness but which alsoincludes everything else that is necessary．
The primary nurse stays with the patient through his hospitalization．keeping track with hisprogress and seeking further advice from his Doctor．If a patient at Beth larael is not responding to treatment．it is not uncommon for his nurse to propose another approach to his Doctor．What the Doctor at Beth Israel has in the primary nurse is a true colleague．
Nursing at Beth Israel also involves aDecentralized nursing administration；Every floor，every unit is a self-contained organization．There are nurse—managers instead of head nurse；inaddition to their medicalDuties theyDo all their own hiring andDismissin9，employee advising，and they make salary recommendations．Each unit’S nursesDecide among themselves who will work what shihs and when．
Beth Israel’s nurse—in—chief ranks as an equal with other vice presidents of the hospital．She also is a member of the Medical Executive Committee，which in most hospitals includeesonly Doctors．
( )Which of the following best characterizes the main feature of the nursing system at Beth Israel Hospital? A．TheDoctor gets more active professional support from the primary nurse.
B．Each patient is taken care of by a primary nurse Day and night．
C．The primary nurse writes care plans for every patient．
D．The primary nurse keeps records of the patient's health conditions every Day.
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