Although it is awfully cold this winter,we have kept physical training without interruption,___?A isn't it B haven't it

Although it is awfully cold this winter,we have kept physical training without interruption,___?A isn't it B haven't it
Although it is awfully cold this winter,we have kept physical training without interruption,___?
A isn't it B haven't it

Although it is awfully cold this winter,we have kept physical training without interruption,___?A isn't it B haven't it
A 指的是这种情况