【单选题】
如图示的直线,绘制圆角的直线是在哪里设置的( )<img src=http://60.205.157.60/course/a@00B653BCEFB2A047E44031AAEE2F3D21.jpg title=image028.jpg alt=image028.jpg/>
①
属性面板上<img src=http://60.205.157.60/course/a@674C1F2F224FC548999386D7EC58AE38.png title=image029.png alt=image029.png/>
②
属性面板上<img src=http://60.205.157.60/course/a@F33CF04FA52E40D6840658C06512E81B.png title=image031.png alt=image031.png/>
③
属性面板右边的<img src=http://60.205.157.60/course/a@55AB2C229982926905938F36157657D7.png title=image033.png alt=image033.png/>