Demand for mobile phones in underdeveloped markets such as China and India is leading to ever-higher predictions for global sales. This year analysts have raised their forecasts for the third time to 640 million handsets. This is almost 100 million higher than forecast at the beginning of the year. Some are already forecasting that over 700 million handsets will be sold next year, with analysts convinced that record demand will continue in both developing and mature markets. Only five years ago, total sales were at a global level of 200 million.

Question: The most recent increase in this years forecast for sales was almost 100 million handsets higher than the previous forecast.
Options:
A. true, B. false, C. uncertain
Answer: "B"