26 yuan is capped, and Category D refers to public welfare undertakings, such as public hospitals and schools. There is no handling fee, so now many merchants and banks have some agreements, and there may be a rate below Class C. Simply put, it is whether the POS machine where you swipe your card has a maximum rate. If so, you will not get points for a long time. If not, you will get points.
If you have any other questions, please add them.