June 10 (Reuters) - Canada’s main stock index rose on Thursday on the back of higher oil prices, a day after the central bank left its key interest rate unchanged. * At 9:30 a.m. ET (1330 GMT), the Toronto Stock Exchange’s S&P/TSX composite index was up 69.43 points, or 0.35%, at 20,071.7. * The energy sector climbed 1.2% as U.S. crude prices were up 0.7% a barrel, while Brent crude added 0.8%. (Reporting by Sagarika Jaisinghani in Bengaluru; Editing by Aditya Soni) Our Standards: The Thomson Reuters Trust Principles.