单项选择题

A.切缘2.0~2.5mm,唇侧1.5mm,舌侧1.0mm
B.切缘1.5~2.0mm,唇侧1.0mm,舌侧0.5~1.0mm
C.切缘2.0~2.5mm,唇侧1.0mm,舌侧0.5~1.0mm
D.切缘1.5~2.0mm,唇侧1.5mm,舌侧0~1.0mm
E.切缘1.5~2.0mm,唇侧1.0mm,舌侧1.5mm