I won’t tell the student the answer to the math problem until he ____on it for more than an hour.

A．has been working

B．will have worked

C．will have been working

D．had worked

非机动车驾驶人违反道路交通安全法律、法规关于道路通行规定，拒绝接受罚款处罚的，可以予以拘留。