The author states that the first advocates of nursing training in the United States were （）

单项选择题Which of the following is the best title for the passage（）

A．Public Hygiene in the United States.
B．Florence Nightingale: A Nurse's Story.
C．The Fight for Nursing Education in the United States.
D．Health Care in Upper-Class and Lower-Class Neighborhoods.

单项选择题According to the passage, some doctors objected to the establishment of nursing schools because they believed that （）

A．nursing was an art that could not be taught
B．additional medical care from nurses was unnecessary
C．volunteer nurses from the upper class were adequate
D．educated nurses would undermine their authority