单项选择题

A．Crude attempts were made to educate them.
B．They were used for medical experiments.
C．They were used as laborers.
D．They were locked away like criminals.
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单项选择题
A．Lifting up this side of the desk.B．Waiting for a minute.C．Moving the lamp on the desk.D．Helping her with pleasure.
A．Lifting up this side of the desk.
B．Waiting for a minute.
C．Moving the lamp on the desk.
D．Helping her with pleasure.
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