How long did the Knights of Labor last（）

单项选择题You can infer that most of the goals of the Knights of Labor were （）

A．unwelcome by the AF of L
B．not reached until after the Knights of Labor died out
C．not helpful to women
D．welcome by factory owner

单项选择题According to the passage, the Knights of Labor wanted all of the following EXCEPT（）

A．an 8-hour workday
B．higher wages
C．improving working conditions in the factories
D．an increase in the employment of small children