The country life he was accustomed to________ greatly since 1992. [ ]

A. has changed                                                      

B. change          

C. changing                                                    

D. have changed

根据内部账设置的基本规定，以下哪一项属于内部账中的应解汇款产品？（）

A.银行承兑汇票

B.待结算款项

C.A.TM短款

D.财政性资金垫款