auction on my house , absa refuse my offer

pls help absa still want sell my house after i made a offer to pay monthly instalments and extra on arrears of R58000 . had finacial problems a lot . but why sell my house on auction if i can pay now and more on my arrears . just asking . absa just refuse to accept offer. auction is a week away. im sitting with a pensioner dad with cancer thats very sick . i moved busnes home so i can cut cost and pay only bond . by selling my house i will not only lose my house income and my dad . already lost my mom 4 month ago , Hubby hasnt work for nearly 2 years ive been paying as i could and brought bond up to date and now defaulted last couple of months but still paid what i could and kept in touch with bank from my side ,now he is working have contract to show bank we can pay every month. just asking another chance. absa saays if ur position change approached us .