LONDON (Reuters) -The British public’s expectations for inflation in 12 months’ time jumped to a record high in January, according to a monthly survey that will bolster the Bank of England’s concerns that the current spike in price growth will prove persistent. Year-ahead inflation expectations in the monthly Citi/YouGov survey, published on Wednesday, surged to 4.8% in January from 4.0% in December, the highest since this series began in 2006 and almost double their long-run average. The official rate of consumer price inflation hit 5.4% in December, its highest since March 1992, and the BoE …