As the wind mounted to a roar, the house began leaking—the rain driven right through the walls.
句意：风凶猛地咆哮起来，屋子开始漏雨了……那雨水好像能穿墙透壁，往屋里直灌。mount to成为；升级为。ride on继续前进；骑上。amount to共计；意味着。climb up向上爬；攀登。grow into成长为。 D选项与划线处意义最为接近，故选D。