SHANGHAI, Jan 20 (Reuters) - China stood pat on its benchmark lending rate for corporate and household loans for a ninth straight month at its January fixing on Wednesday, matching market expectations. The one-year loan prime rate (LPR) was kept unchanged at 3.85%, while the five-year LPR remained at 4.65%. (Reporting by Winni Zhou and Andrew Galbraith Editing by Shri Navaratnam)