<img src="https://static.zxtiku.com/wangke/imgs/topic/62391fed00d21be3d68d0ab0108685b8.jpg"/>是<img src="https://static.zxtiku.com/wangke/imgs/topic/c26ad653dea8b88455c01b90657c7a1d.jpg"/>上的有界变差函数,则<img src="https://static.zxtiku.com/wangke/imgs/topic/fc70f4f86629420ed4490af450c53a06.jpg"/>在<img src="https://static.zxtiku.com/wangke/imgs/topic/1e95fd614d870af0bc3b71774b580526.jpg"/>上几乎处处可导。<br/> A、正确<br/> B、错误