— Oh! Must you? Stay a bit longer please. — but I've got an early start tomorrow.A. No p

问题补充：

— Oh! Must you? Stay a bit longer, please.

—, but Ive got an early start tomorrow.

A. No problem

B. All right

C. Thanks anyway

D. Never mind

答案：

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。