UK Stocks-Factors to watch on March 22

March 22 (Reuters) - Britain's FTSE 100 index is seen opening 22 points lower on Thursday, according to financial bookmakers. * BANK OF ENGLAND: Britain's central bank is likely to keep on course on Thursday for an interest rate rise in May which would take borrowing costs above their emergency levels for the first time since the financial crisis more than a decade ago. * RECKITT BENCKISER: British consumer goods maker Reckitt Benckiser Group said on Wednesday it had ended dis