Little Tom admitted ____ in the shop, ____ that he wouldn't do that in future. [ ]

A. to have stolen; promising

B. stealing; promised

C. to stealing; promised

D. having stolen; promising

药品定价，不仅关系到药品企业的生存和发展，也是近年来社会关注的热点问题。合理的价格有利于优势企业的发展，是因为价格合理（）

A.有利于促进公平竞争，实现优胜劣汰

B.能够提高企业的经济效益

C.能够提高企业的劳动生产率

D.能杜绝假冒伪劣商品的生产