—When did they _____?

—They've _____for half a year.[ ]

A. marry; gotten married            

B. get married; been married

C. marry; been married              

D. get married; married

《内蒙古农村信用社金牛借记业务管理办法》中规定，持卡人在“银联”的商户购物消费后要求退货，必须在原交易发生的POS机上进行。