As the situation in the Middle East escalates gradually, crude oil prices in the international oil market have risen sharply. However, many economic analysts are optimistic that unless the demand surges or the Middle East oil producers collectively resist, oil prices will not continue to rise. Oil producers in the Middle East have not taken an oil embargo or other similar actions, and demand for oil in international markets has not increased sharply. According to the above text, which of the following can be introduced is:. ['International oil market prices continue to rise.', 'he situation in the Middle East has further deteriorated.', 'conomic analysts will re-analyze the reasons for the rise and fall in oil prices.', 'il stock prices rise in national stock markets.']