— Oh! Must you? Stay a bit longer, please.
— , but I've got an early start tomorrow.
A. No problem
B. All right
C. Thanks anyway
D. Never mind
网友回答
A. No problem
B. All right
(答案→)C. Thanks anyway
D. Never mind
解析：考查交际用语。Thanks anyway.不管怎样，还是要感谢你。表示一种委婉的拒绝。根据题意，C项符合语境。