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【单选题】
刚刚绘制了一圆弧,然后点击直线按钮,直接回车或鼠标右键,结果是:
A.
以圆弧端点为起点绘制直线,且过圆心
B.
以直线端点为起点绘制直线
C.
以圆弧端点为起点绘制直线,且与圆弧相切
D.
以圆心为起点绘制直线
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