— You keep on coughing. What's the matter? — Oh I've got a cold. Nothing serious . A. ye

问题补充：

— You keep on coughing. Whats the matter?

— Oh， Ive got a cold. Nothing serious， .

A. yet

B. indeed

C. though

D. anyway

答案：

A. yet

B. indeed

C. though

(答案→)D. anyway

解析：考查副词：A. yet然而，B. indeed确实，C. though可是，然而， D. anyway不管怎样，句意：--你一直在咳嗽。怎么了？--哦，我感冒了。可是，没什么严重的。Though不仅可以做连词，也可以做副词，做插入语，放在句中，句末。Yet不能做插入语。选D。