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【单选题】
关于组合体的尺寸标注，下面说法中不正确的是（）A.
定形尺寸应注在最能显示该部分形状特征的视图上
B.
尺寸应尽量集中标注在主视图上
C.
同一形体的尺寸应尽量集中标注
D.
尽量不要在虚线上标注尺寸
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举一反三
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A.
as following
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are being worked
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have been working
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