Reasons for the high price of anti-Japanese slogans

Test and analysis: There are two main factors that affect the price change. First, the value determines the price, which is the decisive factor, the fundamental factor and the main reason. Second, the relationship between supply and demand affects prices. Generally speaking, the price of brand-name products in the market is relatively high, because the value determines the price. In other words, processing mineral water consumes more labor than processing tap water. Therefore, this question chooses item C. Item ABD does not meet the meaning of the question, so it is excluded.

Test center: this question examines the knowledge points that affect the factors of price changes.

Comments: The factors that affect the price change are the test sites with high frequency of college entrance examination, so we should master this knowledge well.