The following sentence has been divided into four parts. One of the parts is misplaced. Rearrange the parts to form a coherent and grammatically correct sentence. A. thereby creating an illusion of certainty that may obscure the inherent unpredictability of complex social and economic systems. B. which can significantly influence the conclusions that analysts ultimately reach, C. the assumptions embedded within them often reflect judgments about consumer behaviour, market stability, and political priorities, D. although economic forecasts are frequently treated as objective guides for policymaking,