单项选择题

A．18; 400
B．8; 300
C．80; 120
D．8; 200
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单项选择题
A．Those who have more leisure time.B．Those who want to get diplomas.C．Those who want to get A levels.D．Those who have already left school.
A．Those who have more leisure time.
B．Those who want to get diplomas.
C．Those who want to get "A" levels.
D．Those who have already left school.
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