Unless otherwise specified, inflation is generally the price increase measured by the consumer price index (C. PI). Index, which directly affects the real purchasing power of residents 'income. From the perspective of maintaining residents' welfare, no price index is more suitable and more considerate than C. PI. And the fluctuation of food prices dominates consumer prices in China. The index fluctuates, not only because food prices account for more than 30% of the commodity basket, but more importantly, the food price itself fluctuates violently. Therefore, focusing on food price fluctuations has become the top priority of China's inflation research. The most accurate summary of this text is:. ['Explain why food prices are the focus of research on inflation in China.', "Analysis of the significance of controlling food price fluctuations to China's national economy and people's livelihood.", 'Explain how food price volatility affects the consumer price index.', 'Emphasize that improving the real purchasing power of residents should start with controlling food prices.']