— Mum, I think I'm _____ to get back to school.

— Not really, my dear. You'd better stay at home for another day or two. [ ]

A. well enough

B. so well

C. good enough

D. so good

重点城市行要按照“横向提升、纵向进位”的总体要求，在三年内改变总体相对落后的局面，实现市场份额和盈利能力的提高。（）