The diagram indicates the average world price of coffee in US cents per pound weight (lb) from 1997 to 2005. Which event fits the price pattern shown over the stated period?
- Aa continuous rise in the price of tea between 1997 and 2001
- Bthe entry to the market of new producers of coffee between 1997 and 2001
- Ca series of good coffee harvests between 2001 and 2005
- Dincreasing health worries about drinking coffee between 2001 and 2005