如图下所示，用圆弧插补指令编写零件两段弧形的精加工程序为？<img src="https://static.zxtiku.com/wangke/imgs/topic/606fecc476d58d60e8db8b07c910488e.jpg"/><br/> A、G03 U24.0 W-24.0 R15.0;<br/> B、G02 X26.0 Z-31.0 R5.0;<br/> C、G03 X24.0 Z-24.0 R15.0;<br/> D、G02 U26.0 W-31.0 R5.0;