Answer: C
There are two methods for analyzing stock index futures price trends: fundamental analysis method and technical analysis method. The fundamental analysis method focuses on analyzing the fundamental factors that affect the price changes of stock index futures. These factors include domestic and foreign political factors, economic factors, social factors, policy factors, industry cycle factors, etc., by analyzing the fundamental factors The possible impact of changes on the stock index can be used to predict and judge the future movement direction of the stock index. The technical analysis method focuses on analyzing the historical trend of the market, in order to predict and judge the future movement direction of the stock index based on the historical market trend by analyzing the relationship between current price and volume. Options ABD are all fundamental factors, and option C is technical analysis method. Therefore, the answer to this question is C.