某资产类科目的本期期初余额为5600元，本期期末余额为5700元，本期的减少额为800元。该科目本期增加某资产类科目的本期期初余额为5600元，本期期末余额为5700元，本期的减少额为800元。该科目本期增加额为（）元

Once eduction is mde free，mny children who hve dropped out of school .will come bck B．cme bck C．hve come bck D．hd come bckA．will come backB．came backC．have come backD．had come back