―I’m too tired. I want to give up.

― If you don’t ________, you’ll win in the end.

A．lose heart

B．calm down

C．take care

D．cheer up

纳税人被工商行政部门管理机关吊销营业执照的，应自营业执照被吊销之日起30日内，向原税务机关申报办理注销税务登记。