Helen asked her father _____.  [ ]

A. if it was a balloon in the sky

B. where could she get this kind of book

C. that he would show her around the farm

D. if they will have fish for lunch

要实现全面建设小康社会的经济目标，就必须（）

①增强发展协调性，努力实现经济又好又快发展

②转变经济发展方式，建设生态文明

③全面改善人民生活，社会就业更加充分

④先进地区和落后地区实现同步发展

A.②③④

B.①②③

C.①③④

D.①②④